Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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determine whether the data described are at the interval level or the r…
ratio
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4. from a group of 5 women and 4 men a committee of 4 is to be selected…
105
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question 7 1 pts you perform an experiment in which you want to count t…
C. Yes and 0, 1, 2, 3, …, 7 ### Question 8
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identify the kind of sample that is described. the student government a…
cluster
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time (minutes) | water (gallons) 6 | 112 9 | 149 12 | 184 15 | 220 answ…
### Part (a) #### Step 1: Determine the relationship (increasing or decreasing) We have time (minutes) and water (gallons) data: (6, 112), (9, 148), (12, 184), (15, 220). As time …
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review choose the best answers. 1.1) throughout the history of the unit…
1.1) national rights, state rights 1.2) C. Federalism: Determining the Roles of State and National Sovereignty
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question 3 1 pts given the probability distribution below, find ( p(x >…
0.39 ### Question 4
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building basic skills and vocabulary 1. what is a random variable? give…
1. **Random variable definition**: A variable whose value is determined by the outcome of a random experiment. - Discrete example: Number of heads in 3 coin flips (countable value…
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what do you want (really, really want) out of your college education? r…
A. It provides an example of someone who used her education to prepare for a job that felt meaningful to her.
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10. which key element adds layers of meaning to the text? a. use of fig…
A. Use of figurative language and symbolism
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what do you want (really, really want) out of your college education? r…
B. to stress the importance of viewing college as a way to develop jobs skills, as well as determine what is important to you
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question 1 1 pts which of the following describes a continuous random v…
The length of time you talk on your phone each day. The distance between your car and the car in front of you as you drive down the highway. ### Question 2
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10. which key element adds layers of meaning to the text? a. use of fig…
A. Use of figurative language and symbolism
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julia traveled 12 miles in 3 hours. how many hours does it take julia t…
$\frac{1}{4}$ hours
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how many kilometers does the shark swim in 2 minutes? solve on a separa…
$\frac{4}{3}$ kilometers (or $1\frac{1}{3}$ kilometers)
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the amount of money (in trillions of dollars) that is invested in passi…
(a) 2015: $\boldsymbol{1.89}$ trillion; 2019: $\boldsymbol{3.62}$ trillion (b) $\boldsymbol{2024}$
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question round 0.9572 to the nearest hundredth. answer attempt 2 out of…
\(0.96\)
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the amount of money (in trillions of dollars) that is invested in passi…
## (a) ### 2015 amount: $1.99$ trillion ### 2019 amount: $3.38$ trillion ### Correct choice for finding 2015 amount: A. To find the amount of money in passively managed index fund…
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the amount of money (in trillions of dollars) that is invested in passi…
(a) - Correct choice: A. To find the amount of money in passively managed index funds in 2015, substitute 15 for x and evaluate to find f(x). - Amount in 2015: 1.98 trillion dolla…
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3. why is self - plagiarism considered a form of academic dishonesty? i…
B. It means turning in the same work for different assignments without permission. ### Question 4
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5. which symbol means given that? options: ∪, ↑, |, ∩
O |
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in the past month, charmaine rented 3 video games and 1 dvd. the rental…
$\$12.10$
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4. a candy store grab bag contains 10 pieces of sour candy, 12 pieces o…
23%
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3. there is a bag containing 10 red, 10 blue, and 10 yellow pieces of p…
P(blue|10)
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read the paragraph. in french class, bens teacher asked him a question.…
B. paused
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1. which is the formula to calculate the probability that all of a set …
$\boldsymbol{P(A \text{ and } B) = P(A) \cdot P(B)}$
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use the drop - down menus to complete the statements. at the turn of th…
First drop - down: extend their power (Note: For the other drop - downs, more context about the options is needed, but for the visible first drop - down with the given options, "e…
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susan is a surfer. she kept track of the number of waves she surfed eac…
(a) 24 to 41 (b) 37 (c) The number of waves she surfed was above 30 on more days than it was below 30.
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simplify ((5 cdot 2)^4). first, write an equivalent expression using ((…
The equivalent expression using $(5 \cdot 2)$ as a factor is $\boldsymbol{(5 \cdot 2) \cdot (5 \cdot 2) \cdot (5 \cdot 2) \cdot (5 \cdot 2)}$, and the simplified value is $\boldsy…
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the assets (in billions of dollars) for a financial firm can be approxi…
### Part (a) - Correct choice: A. To find the assets in 2012, substitute $\boldsymbol{5}$ for x and evaluate to find A(x). - Assets in 2012: $\boldsymbol{438.4}$ billion dollars #…
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if money loses value, then as time passes, it takes more dollars to buy…
(a) 130000 dollars (b) 43.48 dollars
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if money loses value, then as time passes, it takes more dollars to buy…
(a) The house will cost about 130000 dollars. (b) The textbook will cost about 43 dollars.
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15 what is the quotient when 35,000 is divided by 10 and then the resul…
B. 350
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question 10 of 10 suppose that a defined population is all men who are …
B. Excluding men under 30 from the selection process of the survey
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12 mr. washington’s science scholars were growing sunflowers. they were…
\(\frac{3}{4}\) (Option C)
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9 what is the area of the rectangle below? 7 centimeters 9 centimeters …
D. 63 square centimeters ### Question 10:
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question 9 of 10 suppose you are selected for a survey, but your friend…
A. Response bias
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question 8 of 10 suppose a social networking site has roughly 1,000,000…
A. Surveying every 25,000th number
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3 × 0.045 =
0.135
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question 6 of 10 three national news networks are trying to estimate wh…
A. The Network A sample
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ms. carlson goes for a jog every morning. the line plot shows the numbe…
D. 55
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question 5 of 10 jake and mary are both members of a population, and a …
C. $\frac{1}{800}$
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question 4 of 10 suppose cluster sampling were being used to survey use…
A. Philadelphia
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question 3 of 10 the average heights of four samples taken from a popul…
B. 57
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question 2 of 10 the estimate obtained from a sample of which of the fo…
A. 600
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question 1 of 10 to estimate the percentage of a states voters who supp…
B. The Times, at 63%
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question 9 of 10 which situation is an example of an observational stud…
C. Collecting the cholesterol readings of a group of elderly people in a small town
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evaluate independent practice lesson 5.1 homework □ complete problems 3…
48 ### Problem 7:
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question 8 of 10 if a population consists of 10,000,000 people and a ce…
C. 10,000,000
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what does it mean for a savings account to have a minimum balance? a. i…
a. If you do not keep at least that much money in the account, you will be assessed fees
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6. a 3 - member committee will be selected from a pool of 5 men and 7 w…
### Probability Distribution: | $X$ (Number of Women) | 0 | 1 | 2 | 3 | |-----------------------|---|---|---|---| | $P(X)$ | $\frac{1}{22}$ | $\frac{7}{22}$ | $\frac{21}{44}$ | $\…
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
26 mL
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matching list question 12 listen match each term with the correct defin…
- b. biofeedback : a technique to train individuals to recognize what stress and anxiety feel like and teach themselves to cope early to calm themselves - a. attentional focus : t…
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(b) the temperature was 12 degrees below 0 (in fahrenheit) today. write…
$-12$
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slope: 2 vertical intercept: 10 volume = initial volume + volume of mar…
The volume in the cylinder is 16 mL when there are 3 marbles.
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
26 milliliters
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the circular flow model shows the flow of expenditure and incomes that …
flow of expenditure and incomes that arise from the households', firms', and governments' decisions.
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fill in the blanks below. (a) a car corporation produced 620 more cars …
(a) $+620$ (b) $-100$
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use the table below to fill in the missing values. | $x$ | $f(x)$ | | -…
\( f(1) = 2 \) if \( f(x) = 6 \), then \( x = 5 \) \( f^{-1}(2) = 1 \) if \( f^{-1}(x) = 5 \), then \( x = 6 \)
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classify the function as linear, quadratic, or exponential.\\( f(x) = 6…
exponential
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after school craig ran \\(\\frac{3}{5}\\) of a mile, and his brother dy…
\(\frac{1}{10}\)
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heights of adult males are normally distributed. if a large sample of h…
Bell - shaped
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assume \\(\\log_{b}x = 0.24\\) and \\(\\log_{b}y = 0.68\\). evaluate th…
-0.44
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carry out the following operations, and express the answer with the app…
\( - 1530 \) (or more precisely \( - 1530.4 \) depending on significant figures, but if we consider 3.3 has two, 6108.9/3.3≈1850 (three sig figs? Wait, 3.3 is two, so 1.9×10³, but…
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the frequency distribution below summarizes employee years of service f…
C. 3.0 years
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a random sample of students was surveyed and asked to list their grade …
Filled table values: | | Pets | No Pets | Total | |--------------|------|---------|-------| | 6th grade | 18 | 18 | 36 | | 7th grade | 28 | 21 | 49 | | 8th grade | 17 | 23 | 40 | …
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
16 mL
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convert 2.7543 x 10⁷ to standard notation. 27543000 question 4 convert …
1. $27543000$ 2. $0.0000578$ 3. $1.904 \times 10^{13}$
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manny was experimenting with his pumpkin bread recipe to make it better…
\( 4\frac{1}{2} \) teaspoons (corresponding to the option " \( 4\frac{1}{2} \) teaspoons")
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
$16$ mL
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convert 2.7543 x 10^7 to standard notation. 27543000 question 4 convert…
1. $27543000$ 2. $0.0000578$ 3. $1.904×10^13$
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construct the cumulative frequency distribution for the given data. age…
The cumulative frequency distribution is constructed by adding the frequencies of each age group successively. The cumulative frequencies are: Less than 30: 29, Less than 40: 62, …
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at the hatfield schools carnival, ed worked the dart game. he tracked t…
The correct statement is: The distribution is symmetric. (The other two statements are incorrect. "There is an outlier at 3 balloons" is wrong because 3 is not an outlier, and "Th…
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the frequency distribution below represents the frequencies of actual l…
A. Yes, it is approximately normal.
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
Initial volume: 10 Final equation: $v = 10 + 2x$
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football the table below shows total attendance figures at nfl games in…
35000
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1. the author views gaming in the point essay as something that improve…
s: 3. Gaming is considered positive because it improves communication and brings people together. The author states in par. 3 that gaming helps people connect (or similar relevant…
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gaming communities page 568 think questions 1. the author views gaming …
To answer these questions, we would need access to the full text of the essays (specifically the paragraphs mentioned: par. 3, par. 14, par. 6, par. 14 again) to gather the necess…
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31) researchers for a humanitarian group determined that the percent of…
\( 68 < 1.7x + 42.5 < 85 \) (the corresponding option) ### Problem 32 (Scatter Plot - Height and Graduation Rate)
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3 max travels by car to see his brother’s family. he drives 216 miles i…
Max's rate is 54 miles per hour. He will not be able to reach the town in 4 hours if he makes two 10 - minute stops.
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determine whether the table or equation represents a linear or nonlinea…
linear The table represents a linear function because the ratio of the constant change in $y$ to the constant change in $x$ is consistent (a constant slope of $-10$) across all pa…
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2 a garden hose supplies 36 gallons of water in 3 minutes. use a table …
The garden hose supplies 120 gallons of water in 10 minutes.
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nehemiah wants to create a function to represent the change in his inco…
The predicted value of Nehemiah's income in month 6 is \( \$3630 \). ### Part 2: Residual Value for Month 6
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
A vertical intercept of 10 tells us that when there are 0 marbles in the cylinder, the volume is 10 milliliters.
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
10
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
The volume increases 2 mL for every 1 marble added.
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
2
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select the text from the paragraph that best helps you understand that …
- "bilingual participants performed better on certain mental puzzles than their monolingual counterparts" - "allowing them to complete some tasks with greater ease"
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read the passage and then answer the question. scientists have found th…
skillful
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ms. joseph is dropping marbles into a cylinder one at a time. she recor…
Plot the point at the intersection of $x=1$ (horizontal axis) and $y=12$ (vertical axis) on the provided grid.
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select the text from the paragraph that best helps you understand that …
- "people who grow up hearing only one language at home" - "monolingual counterparts"
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select the text from the paragraph that best helps you understand that …
- increasing the risk of heart failure and other health problems - Earth’s magnetic poles—located near the geographic North and South Poles—create a magnetic field that protects t…
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owners of a recreation area are filling a small pond with water. let y …
s: (a) The starting amount of water in the pond is $\boldsymbol{300}$ liters. (b) The change per minute in the amount of water in the pond is $\boldsymbol{29}$ liters.
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select the text from the paragraph that best helps you understand that …
"dazzling curtains of colorful light"
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complete the chart by converting each number to a percent, fraction, an…
Decimal: \( 3.125 \), Percent: \( 312.5\% \) ### 35.
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debra is putting money into a checking account. let y represent the tot…
### Part (a) # Explanation: ## Step1: Identify the slope-intercept form The equation of a line in slope - intercept form is \(y = mx + b\), where \(m\) is the slope (rate of chang…
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select the text from the paragraph that best helps you understand that …
to support its life cycle
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find each percent of a number. 30% of 40 15% of 38 50% of 86 75% of 160…
12 ### 2. 75% of 160
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the table shows the height, in centimeters, of the water in a swimming …
Yes, the height of the water increases by the same amount (0.5 cm) each minute. We know this by calculating the difference in height between consecutive minutes (150.5 - 150 = 0.5…
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select the text from the paragraph that best helps you understand that …
- A typical human baby is born with around 300 bones, but by the time that baby reaches adulthood, it will have only 206. - shouldn't a skeleton need more bones, not fewer, as it …