Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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adding and subtracting, answer using the correct significant figures. 1…
1. $45.0$ 2. $44.257$ 3. $13.040$ 4. $0.069$ 5. $4.09$ 6. $1472$
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measurement andrea is buying a rectangular rug that is 3 feet wide by 4…
1. a) 12 square feet 2. 30 degrees 3. Mean: $\approx 83.67$ Median: $85.5$ Mode: None (no repeated values) Range: $33$
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3. \\((3 \\times 10^{-6})(2.6 \\times 10^{4})\\) 8. \\(\\frac{(6.10 \\t…
1. $7.8 \times 10^{-2}$ 2. $4.36 \times 10^{-6}$ 3. $\approx 1.27$
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yasmin saw this word in her vocabulary list. monocracy what is the most…
the prefix
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23. for this item, highlight the answer by hovering over and selecting …
a multi-stranded global practice with diverse and overlapping traditions
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22. how does paragraph 6 contribute to the development of ideas in the …
22. B. by highlighting the personal significance of basket weaving, connecting the craft to heritage and identity 23. The phrase "a multi-stranded global practice with diverse and…
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read this example of incorrect sentence structure. heavy, black clouds …
D. Heavy, black clouds rushing in from the horizon mean a storm is coming.
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read the following sentences from the text. \each member of the band is…
C. many different parts working together as one
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22. how does paragraph 6 contribute to the development of ideas in the …
22. C. by listing the many practical benefits of learning basket weaving, proving that it is still valuable in modern life 23. The phrase "multi-stranded global practice with dive…
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write as a decimal: 46% 0.46 4.6 460 0.046
A. 0.46
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write as a percent: 9/100 9% 0.09% 90% 0.9%
A. 9%
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write as a percent: 0.6 600% 60% 0.6% 6%
B. 60% (assuming the option with 60% is labeled as B, but following the format, the correct answer is 60% which corresponds to the option like, for example, if the second option i…
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write as a percent: 5/8 6.25% 62.5% 625% 0.625%
B. 62.5%
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match the following: \\(\\frac{5}{5}\\), \\(\\frac{5}{8}\\), 0.04, 0.78…
- $\frac{5}{5}$ connects to $100\%$ - $\frac{5}{8}$ connects to $62.5\%$ - $0.04$ connects to $4\%$ - $0.78$ connects to $78\%$ - $\frac{1}{3}$ connects to $33\%$ (or $33.3\%$) - …
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preston buys a large bag of beads to make key chains for a craft festiv…
Preston starts with a bag of 500 beads. He uses 25 beads to make each key chain.
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match the following numbers: $4\\frac{1}{4}$, 0.9, 0.5, 2, $\\frac{8}{1…
- \(4\frac{1}{4}\) connects to \(425\%\) - \(0.9\) connects to \(90\%\) - \(0.5\) connects to \(50\%\) - \(2\) connects to \(200\%\) - \(\frac{8}{10}\) connects to \(80\%\) - \(0.…
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review the passage. the allusion is shown in bold. i know where i have …
It suggests that the narrator is entering a dangerous situation.
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regan and her family take a day trip to the beach at coral cove. their …
Regan’s family starts \(\boldsymbol{200}\) miles away from Coral Cove. The distance the family is from Coral Cove decreases by \(\boldsymbol{60}\) miles every hour.
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complete the sentence to maintain parallel structure. when malik and jo…
To solve this, we need to maintain parallel structure, which means the verb forms should be consistent. The first action is "creating" (a gerund, -ing form). So we need to use ger…
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match the following: \\(\\frac{5}{6}\\), \\(\\frac{1}{20}\\), 0.03, \\(…
- $\frac{5}{6}$ connects to $83.3\%$ - $\frac{1}{20}$ connects to $5\%$ - $0.03$ connects to $3\%$ - $\frac{12}{100}$ connects to $12\%$ - $0.168$ connects to $16.8\%$ - $1.56$ co…
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review the passage. the hyperbole is shown in bold. nations are possess…
It stresses the value of thoughtfulness.
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t report your answers using the correct 2. $(2.342 \\times 10^{-8})(5.7…
2. $\boldsymbol{1.338 \times 10^{-11}}$ 5. $\boldsymbol{5.0 \times 10^{-4}}$ 7. $\boldsymbol{1.275 \times 10^{-8}}$ 10. $\boldsymbol{64.84}$
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0.2% 90% 50% 87.5% 109% 0.055 \\(\frac{1}{2}\\) \\(\frac{13}{50}\\) 0.9…
- \(0.2\%\) connects to \(0.002\) - \(90\%\) connects to \(0.9\) - \(50\%\) connects to \(\frac{1}{2}\) - \(87.5\%\) connects to \(\frac{7}{8}\) - \(109\%\) connects to \(1.09\)
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a new car is purchased for 16400 dollars. the value of the car deprecia…
$5738.66$ dollars
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3. find the average rate of change of f(x) over the interval 18, 24. x …
\(-\frac{1}{6}\)
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a. clare said, \in the first five years, between 1977 and 1982, the cos…
### Completed Table: | $x$ | $f(x)$ | $g(x)$ | |-----|--------|--------| | 1 | 2 | 1.01 | | 10 | 20 | $\approx1.1046$ | | 50 | 100 | $\approx1.6446$ | | 100 | 200 | $\approx2.7048…
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78% 5% 6% 91.3% 26% \\(\\frac{1}{20}\\) \\(\\frac{2}{5}\\) 1/2 0.07 0.9…
- \(78\%\) connects to \(0.78\) - \(5\%\) connects to \(\frac{1}{20}\) - \(6\%\) connects to \(0.06\) - \(91.3\%\) connects to \(0.913\) - \(26\%\) connects to \(\frac{13}{50}\)
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find a solution to each equation. use the hangers to explain what each …
### 1. Matching values: - Hanger A: $x=5$ - Hanger B: $y=6$ - Hanger C: $z=2.75$ - Hanger D: $w=10$ ### 2. Equations: - Hanger A: $x + 3 = 8$ - Hanger B: $2y = 12$ - Hanger C: $4z…
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the word benefactor contains the root bene. what does the root bene mea…
C. good
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date: supply across 5. supply curve is ______ sloping. 8. supply is rel…
upward 8. **Brief Explanations**: Supply is the relationship between price and the quantity supplied of a good or service during a given time period, with other factors constant. …
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1. \\((2.013 \\times 10^{6})(4.2 \\times 10^{-11})\\)\ 4. \\(\\frac{8.5…
1. $8.4546 \times 10^{-5}$ 4. $2.503 \times 10^{3}$ 6. $2 \times 10^{10}$ 9. $1.1076000000142 \times 10^{11}$
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read ahmads argument in favor of changing the minimum driving age from …
It is illogical because it relies on faulty reasoning.
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read the sentence. gregor watched, assessing how sasha reacted to his n…
B. It is a noun clause indicating what Gregor was observing.
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read the sentence. sami especially enjoyed the brownies, which were che…
It is a relative clause describing the qualities of the brownies.
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dalia buys 20 collectible gems per month. grace sells 10 gems from her …
Dalia will have more gems than Grace after 4 months, meaning starting in the 5th month.
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student practice directions: decompose the fraction usin number line. 1…
$\frac{4}{9}=\boldsymbol{\frac{1}{9}+\frac{3}{9}}$ (or other valid decompositions like $\frac{2}{9}+\frac{2}{9}$) For the second fraction $\frac{4}{5}$:
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e) 43.678 x 64.1 f) 1.678 / 0.42 g) 28.367 / 3.74 h) 4278 / 1.006
e) $2799.7598$ f) $\approx 3.995$ g) $\approx 7.585$ h) $\approx 4252.485$
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2. the authors purpose is to— a. argue. b. inform. c. entertain. organi…
B. inform
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the british were allies with the french in the seven years war. * true …
False ### Second Question:
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directions: use this information to answer parts a and b. corin measure…
Fill the boxes as follows: 1. Substitute $\boldsymbol{800}$ for $d(h)$ and $\boldsymbol{9}$ for $h$. 2. $a = \boldsymbol{7200}$ 3. The equation is $d(h) = \boldsymbol{\frac{7200}{…
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is the pictured graph growth, decay, or linear or none? exponential dec…
Exponential Growth
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19. $8.17 \\times 2.34 =$ 20. $53.48 \\div 0.27 =$ 21. $9.58 \\div 5.12…
19. $\approx19.15$ 20. $\approx196.09$ 21. $\approx1.87$ 22. $0.80868$
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teens work as volunteers in a soup kitchen. maybe this job is the start…
C. the thanks you owe for something nice that was done for you
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on a test consisting of only true/false questions and multiple - choice…
B. The test contains 15 multiple - choice questions
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data is collected for a class of college freshmen comparing their sat s…
-0.535 (closest to option: -0.55) The matching option is: $\boldsymbol{-0.55}$
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each day for two weeks, howard recorded values for the following two va…
14
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what is the medium of an artistic work? a. the set of socially acquired…
B. The way something is communicated, or the material something is created from
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the domain of the data given is the number of rainy days each year in a…
$\hat{y} = 0.649x + (-19.657)$
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the table below shows the height of a tree from 1995 to 2001 years sinc…
### Step 1: Calculate the slope (\(m\)) of the linear regression The formula for the slope \(m\) of a linear regression is \(m=\frac{n\sum xy - \sum x\sum y}{n\sum x^{2}-(\sum x)^…
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below are the heights (in inches) vs weights (in pounds) of the players…
187
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two families are taking a vacation together. they each leave at 9 a.m. …
False ### 2. The cars will reach the same point in 4 hours.
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the domain of the data given is the number of rainy days each year in a…
Correlation coefficient is 0.58. There is a moderate positive correlation between the number of rainy days in a year and the amount of rain that fell in that year for this town.
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question 4 the domain of the data given is the number of rainy days eac…
Correlation coefficient is 0.68. There is a moderate positive correlation between the number of rainy days in a year and the amount of rain that fell in that year for this town.
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sandwich stoichiometry part 1: cheese sandwiches objective: - go to the…
## Part 1: Cheese Sandwiches 1. | Before Reaction | Products | Leftovers | |-----------------|----------|-----------| | 8 pieces of bread | 4 | 0 | | 6 pieces of cheese | | 2 | 2.…
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given the scatterplot. which of the following accurately describe the s…
Linear, Outlier at (3,0), Strong positive association
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what is syntax? (1 point) a piece of writing that is meant to persuade …
D. The set of grammatical rules that determine how words and phrases are arranged in a sentence.
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1 what is the percent decrease, to the nearest percent, of the number o…
F 22% ### Second Question (Number Set for -3.9)
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use the tables to answer the questions that follow. a survey was conduc…
1. $0.2$ 2. $0.3$ 3. $\frac{1}{3} \approx 0.333$ 4. $\frac{1}{6} \approx 0.167$ 5. $30\%$ 6. $\approx 44.44\%$ --- ### Second Survey (Footwear Preference) First, complete the tabl…
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perform an exponential regression on the data and determine how many fe…
93 feet
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given the data set. perform an exponential regression on the data and g…
$y = 3.043(2.027)^x$
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given the data set. perform a quadratic regression on the data and give…
$y = 3.053x^2 + 4.418x + 0.106$
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question 1 given the scatterplot below. which regression model would be…
Quadratic regression
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the table below represents an object thrown into the air. is the situat…
A. Yes, because each input has exactly one output.
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equation. lena exponential regression results $a = 527.237$ $b = 1.2017…
Lena solved the problem correctly by properly performing an exponential regression and substituting 12 in for x.
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choose the situation that represents a function. - the number of raisin…
C. The time it takes to cook a turkey is a function of the turkey’s weight.
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read the paragraph. teens age 13 and up are eligible to enter the schol…
Teens age 13 and up \boxed{are qualified} to enter the Scholastic Art \& Writing Awards every year. (Note: The actual phrase may vary based on dropdown options, but the key is a p…
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question 1 which of the following is not a limitation of extrapolation?…
A. Extrapolation is a method for predicting values outside of the data set.
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1 omar makes a total of $51.75 selling brownies and muffins at a bake s…
9 ### Problem 2
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1 website analyst 2 server administrator 3 website designer 4 web archi…
1. Website analyst - D. An individual who analyzes Website statistics to determine the site’s effectiveness 2. Server administrator - B. An individual who manages and maintains ne…
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data is collected for a class of college freshmen comparing their sat s…
0.35
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data is collected for a class of college freshmen comparing their sat s…
-0.05 (closest option: -0.05, matching the last choice: -0.05)
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which two words have similar meanings? thrive, voice entitled, eligible…
B. entitled, eligible
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1 when roberto got a puppy from the shelter, it weighed 10.5 lbs. the p…
C. 14.7 lbs 24 days The point on the line (0,0) means that the relationship is proportional. The cost of purchasing 10 shirts is $50.00. $11.37 4x + 20 ≤ 32 x ≥ 1
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below are the heights (in inches) vs weights (in pounds) of the players…
187
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the domain of the data given is the number of rainy days each year in a…
Correlation coefficient is 0.34. There is a weak positive correlation between the number of rainy days in a year and the amount of rain that fell in that year for this town.
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20. find 93% of 24 using a proportion.
\( 22.32 \)
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all year: the box - and - whisker plot shows the results of a poll abou…
C. Half of those polled watch between 3 and 5 hours of TV a day. E. More people watch between 3 to 4.5 hours of TV per day than watch between 4.5 to 5 hours of TV per day. Week 1 …
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at the beginning of a population study, a city had 260,000 people. each…
\( y = 260000(1.098)^t \)
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*14. (47) travel a round - trip plane fare from orlando, florida, to ma…
The percent of change is approximately \( 105.7\% \) (rounded to one decimal place) or \( 105.68\% \) (more precise).
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given the scatterplot. which of the following accurately describe the s…
- Outlier at (3,0) - Strong positive association - Linear
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find the greatest common factor. 1. (4ab^{2}c^{4}-2a^{2}b^{3}c^{2}+6a^{…
\( 2ab^2c \) ### Problem 2: Find the greatest common factor of \( 5m^2x^2y^3 - 10m^3xy^2 + 15m^2x^2y^4 \)
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6.1 activity: characteristics of the normal curve directions: create a …
1. **Corrected Axes**: - X-axis: Labeled "Sum", marked with values 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 - Y-axis: Labeled "Frequency", marked with values 3, 6, 9, 12, 15, 18 2. **Ac…
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graph the compound inequality. -6 ≤ x < -4 plot the endpoints. select a…
To graph \(-6 \leq x < -4\): 1. Place a closed dot (filled circle) at \(x = -6\) (because \(x\) can equal \(-6\)). 2. Place an open dot (unfilled circle) at \(x = -4\) (because \(…
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19. drag and drop numbers into the boxes to complete the sentence below…
Daniel's office is located 10 miles from his house, and it took Daniel 15 minutes to drive that distance. *Alternative valid answer example: Daniel's office is located 15 miles fr…
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b. do trucks or convertibles have a greater range of sales over the 8 -…
Trucks ### Part c
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ppose that the dollar value v(t) of a certain car that is t years old i…
24%
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suppose that the future price $p(t)$ of a certain item is given by the …
The initial price of the item is \(\$20000\). ### Part 2: Determine if the function represents growth or decay
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question 8 which of the following is a limitation of extrapolation? - e…
Extrapolation is less accurate the further you get away from known data.
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the us population density (people per square mile) for the past several…
270.7 people per square mile
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7. brandon purchased a new guitar in 2012. the value of his guitar, t y…
The rate of change in the value of the guitar is modeled by $\boldsymbol{0.95}$, which represents $\boldsymbol{a\ decrease\ of}$ $\boldsymbol{5\%}$ per year.
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11 what is the approximate area under the entire curve? 12 what percent…
11) 1 (or 100%) 12) 68% 13) 95%
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6. the value of a painting can be predicted by the expression $120(1.08…
D. the predicted value of the painting in 2014
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6.1 activity: characteristics of the normal curve directions: create a …
1. **Axis Labels**: X-axis = "Sum of Two Dice Rolls" (values 2-12), Y-axis = "Frequency" (values 0-18) 2. **Graph Title**: "Frequency of Sums from 108 Dice Rolls" 3. **Plotted Poi…
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time (minutes) describe the rate of change for this relationship. the a…
The rate of change is 20 gallons per minute. This means the amount of water Devin uses increases by 20 gallons per minute he runs the sprinkler.
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describe the rate of change for this relationship. the amount of paint …
The amount of paint Kendrick uses increases by $2\frac{2}{3}$ of an ounce per rock.
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number of rocks describe the rate of change for this relationship. the …
The amount of paint Kendrick uses increases by 4 ounces per rock.
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time (hours) describe the rate of change for this relationship. the amo…
The amount of fuel left decreases by 2 gallons per hour.
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two drivers narrowly avert a head - on collision. which driver decelera…
What was driver 1's absolute average rate of deceleration starting at time 0? 6 mph/s What was driver 2's absolute average rate of deceleration starting at time 0? 3.4 mph/s Which…
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which situation could be represented by the graph? students in the chil…
C. A program at a community college can be completed in no fewer than 8 months, but must be completed in less than 11 months.
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number of trick - or - treaters describe the rate of change for this re…
The rate of change is -3, meaning the amount of candy left decreases by 3 pieces per trick-or-treater.