Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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determine the pearson correlation coefficient for n = 20 and α = 0.02. …
\( 0.524 \) (corresponding to the option \( 0.524 \))
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day 3 box & whisker plots activity 1 sort the numbers below into least …
### First Dataset Sorted: $7, 8, 9, 10, 11, 12, 13$ Minimum: $7$, Q1: $8$, Median: $10$, Q3: $12$, Maximum: $13$ (Box plot: Whiskers at 7 and 13, box from 8 to 12, line at 10 on t…
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question describe the correlation in the scatter plot below. answer att…
The scatter plot shows \(\boldsymbol{\text{no}}\) correlation because as the plotted values of \( x \) increase, the values of \( y \) generally \(\boldsymbol{\text{stay the same}…
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racecourse and discourse have the same root, course, which means \movem…
D. extended discussion on a subject
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question describe the association in the scatter plot below. answer att…
The scatter plot shows \(\boldsymbol{\text{positive}}\) association because as the plotted values of \( x \) increase, the values of \( y \) generally \(\boldsymbol{\text{increase…
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solving number stories a stand sold souvenirs at a basketball game. the…
(with unit): \$3325 ### Question 2
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find the geometric mean of 2 and 3. a. $2sqrt{3}$ b. $sqrt{5}$ c. $sqrt…
C. \(\sqrt{6}\)
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write out the five number summary for each data set. 1) 18, 25, 46, 38,…
1) Minimum: $5$ $Q_1$: $18$ $Q_2$: $31.5$ $Q_3$: $45$ Maximum: $49$ 2) Minimum: $7$ $Q_1$: $22$ $Q_2$: $32.5$ $Q_3$: $45.5$ Maximum: $50$ 3) Minimum: $7$ $Q_1$: $12$ $Q_2$: $24$ $…
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philip is a tech geek and loves his new smartphone, but he is frustrate…
No, \(x\) and \(y\) do not have a proportional relationship.
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solve the following system of inequalities graphically on the set of ax…
$(0, 0)$ *(Note: Any point in the overlapping shaded region is a valid answer, e.g., $(1,1)$, $(2,0)$ are also acceptable.)*
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try this 8 ali shaded 0.4 of a hundreds grid. tarun shaded 0.32 of the …
0.72 For the explanation part: We need to find the total shaded portion, so we add the decimal values representing the shaded parts of Ali (0.4) and Tarun (0.32). First, we can re…
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10. a library has 120 books, and 3/4 of them are fiction. how many fict…
90
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8.) kit is baking cakes. she has 5 cups of sugar and each cookie needs …
A.) $\frac{20}{3}$ (or $6\frac{2}{3}$) B.) The quotient $6\frac{2}{3}$. This means that Kit can make 6 whole cakes.
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luther is passionate about movies and dreams of going to film school. h…
No, \( x \) and \( y \) do not have a proportional relationship because the graph does not pass through the origin \((0,0)\) (it starts at \((0, 5)\)).
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andy wants to get in shape, so he joins a local gym, buff and tough. fo…
No, \( x \) and \( y \) do not have a proportional relationship because the graph of their relationship does not pass through the origin \((0,0)\) (it has a \( y \)-intercept of 1…
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two 5th grade classes are raising money. mrs. kennedy’s class raises $1…
The total money the two classes raised is $\$180$, which corresponds to option C (assuming option C is $\$180$ as per the calculation). The steps are: first, calculate 50% of $\$1…
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Question was provided via image upload.
1. $4.5$ 2. $187.2$ 3. $158.1$ 4. $913.5$ 5. $227.52$
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this summer, antonio fulfilled a lifelong dream and traveled to kenya. …
Yes, \( x \) and \( y \) have a proportional relationship because the graph is a straight line passing through the origin \((0,0)\) and the ratio \(\frac{y}{x}\) is constant (e.g.…
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use what you know about equivalent fractions to add. write an equation …
$0.72$ of the grid
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from the white landowners above him there had not been handed to him a …
D. an adult explaining feelings about his father (assuming the options are labeled A - D with D being the last option as per the description; if the original options had labels li…
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4 function ( j ) gives the temperature, in degrees celsius, ( t ) hours…
\( J(12) \) #### b. The temperature was the same at 9 a.m. and at 4 p.m.
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question 5 of 5 9 a.m. class: 68, 67, 22, 58, 66, 67, 52, 41, 45, 59, 4…
There are no data values less than 22. There are no data values greater than 68. Therefore, the distribution has no outliers. (Filling the blanks: "are no", "22", "are no", "68", …
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7. which of the following revisions would you make to keep the meaning …
C. Sarah wore the green dress ### Question 9 (Original sentence: "The winning goal for the Tigers was scored by Sean")
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select the correct answer. mateo teaches a continuing education class a…
D. It is valid if the result from all the surveys and the model get closer together.
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select the correct answer. which statement is true? a. a sample statist…
B. Point estimates are defined for both samples and populations.
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rudy has 10 white seashells, 23 pink seashells, and 21 brown seashells.…
Each friend will get 18 seashells. ### Sub - Question 2: $89\times55$
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create a scatter plot for the data. number of hours worked | amount spe…
To create the scatter plot: 1. Draw the x - axis (label: "Number of hours worked") and y - axis (label: "Amount spent on entertainment (in dollars)"). 2. Plot the points (2, 4), (…
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during the 2019 season, the mean number of wins for major league baseba…
$0.75$ ### Part (b)
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stella makes and sells soaps at a farmers market. she charges $6 for a …
If Stella sells \(\boldsymbol{13}\) bars of soap and \(\boldsymbol{8}\) shampoo bars, then she will cover her expenses.
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9. write math beni divides a pound of dog food equally among 6 dogs. dr…
Each dog receives $1\frac{1}{3}$ pounds (or $\frac{4}{3}$ pounds) of dog food. For the diagram: Draw a long rectangle labeled "8 pounds". Divide it into 6 equal smaller rectangles…
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8. five friends share 6 fruit snacks equally. how many fruit snacks wil…
Each friend will get $\frac{6}{5}$ or 1.2 fruit snacks.
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(c) suppose the maximum value of 53 was in error and should have been 4…
To solve this, we analyze each statistic when the maximum value (53) is corrected to 45: ### 1. Mean The mean is the sum of values divided by the number of values. Since we’re red…
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find the equation for the least squares regression line of the data des…
\(y = -0.810x + 19.136\)
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which line from \safari day in kenya\ contains an example of assonance?…
Gazelles race by, blurred brown streaks,
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penelope went to the store to buy ( x ) pounds of broccoli for $1.10 pe…
\((0,2)\), \((1.5,3)\)
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one of the important factors in determining population growth rates is …
Lower Outliers \( <11 \) High Outliers \( >59 \) ### Part (b)
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the supreme court reverses itself people make the laws and interpret th…
A. influenced by current developments ### Question 4
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use the following table comparing motor vehicle deaths (mvd) to answer …
(a) \( x\approx39172032 \) (b) \( x\approx32569001 \) (or the value obtained from correct proportion calculation based on the actual table values) (Note: There might be some mis -…
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use the following table comparing motor vehicle deaths (mvd) to answer …
(a) \( x = 39172932 \) (b) \( x = 22362205 \)
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each step involves subtracting -1, -10, -100, or -1000 only. example 1.…
Step One: $-10$, Middle Result: $5452$; Step Two: $-1000$, End Result: $4452$ (for question 2. Other questions can be solved similarly by finding the difference and decomposing in…
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each step involves subtracting -1, -10, -100, or -1000 only. example 1.…
Step One: $-10$, Step Two: $-1$ ### Problem 2:
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a town has six flower shops. their one - year sales figures are compare…
\(\frac{3}{4}\) (Note: Since the chart is not provided, this is an assumption. If the actual sales figures are different, the ratio will change. But based on common problems, the …
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write this ratio as a fraction in lowest terms. $40 to $30 $40 to $30 i…
$\frac{4}{3}$
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compare the following pair of numbers a and b in three ways. a. find th…
$\frac{44}{17}$
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click to read the passage from the metamorphosis, by franz kafka. then …
C. Everyday details of the room are described in the same tone as the description of the character.
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each step involves subtracting -1, -10, -100, or -1000 only. example st…
for Problem 1: Step One: \(-1000\), Middle Result: \(4462\), Step Two: \(-10\) (or Step One: \(-10\), Middle Result: \(5452\), Step Two: \(-1000\)) ### Problem 2: Start = 5462, Ta…
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compare the following pair of numbers a and b in three ways. a. find th…
\(\frac{17}{44}\)
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question 2 of 10 read this excerpt: please respond within 24 hours of r…
D. He only gives a telephone number.
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xavier buys 7 tacos and 6 enchiladas for 32 dollars. john buys 8 tacos …
Part A: 2 Part B: 3
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check the two - way table shows data from a survey about the number of …
### Relative Frequencies by Row: - Males Agree: $0.35$ - Males Disagree: $0.65$ - Females Agree: $0.45$ - Females Disagree: $0.55$ Males are more likely to disagree with the new r…
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cora buys 3 tacos and 5 enchiladas for 25 dollars. jack buys 8 tacos an…
A. 5 B. 2
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express 0.0000046 in scientific notation. ?×10^? enter the coefficient …
The coefficient is \( 4.6 \) and the exponent is \( -6 \), so \( 0.0000046 = \boxed{4.6} \times 10^{\boxed{-6}} \)
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you need to compare students and adults in relation to laptops. because…
Students (Tablet): $0.73$ Students (Laptop): $0.27$ Adults (Tablet): $0.59$ Adults (Laptop): $0.41$
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colin buys 9 tacos and 7 enchiladas for 77 dollars. colton buys 4 tacos…
Part A: 7 Part B: 2
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express 6,100,000 in scientific notation. ?×10^? enter the coefficient …
The coefficient (in the green box) is \( 6.1 \) and the exponent (in the yellow box) is \( 6 \). So the scientific notation of 6,100,000 is \( \boldsymbol{6.1\times10^{6}} \).
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sophia buys 9 tacos and 8 enchiladas for 78 dollars. anthony buys 2 tac…
Part A: 6 Part B: 3
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frequency effect in exchange for comparison towards future/point in tim…
To solve the problem of categorizing the uses of "Por" and "Para" in Spanish (a Linguistics subfield under Arts), we analyze their common usages: ### For "Por": - **Cause/Reason**…
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trey buys 4 tacos and 8 enchiladas for 40 dollars. kaylee buys 5 tacos …
Part A: 2 Part B: 4
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when is the 25th amendment meant to be invoked? when congress agrees th…
when the president is incapacitated, or otherwise unfit to perform their duties
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the king cobra is a roller coaster. it sells more than 900 tickets each…
The inequality is \( t > 900 \). To graph it, place an open circle at 900 on a number line and draw an arrow pointing to the right.
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its the officials responsibility to insure that teammates are communica…
ensure means to make certain). Additionally, effective communication among teammates is typically a shared responsibility of the team members themselves, not primarily officials. …
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question 25 of 25 two teams are going on a trip to play a game. there w…
A. 100
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question 23 of 25 jayken earned $32 in november. he earned $40 in decem…
A. 25% increase
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exercise ii—sentence completion complete the sentence in a way that sho…
1. rejected all moral principles and refused to follow social rules 2. failed his final exam for the third time 3. winning the national scholarship for the second year in a row 4.…
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do these pairs of values (x and y) represent two quantities that are pr…
A. No, because not all of the pairs represent the same ratio.
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question 16 of 25 stojan has money automatically deposited into a savin…
C. 7
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question 15 of 25 seven friends go to the movies. the price for each ti…
B. Yes, a reasonable estimate is around $7 \cdot \$9 = \$63$.
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question find the range of the function defined by the table below. exp…
$\{-4, -3, 1, 4, 7\}$
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micha found that most helicopters fly at speeds of less than 270 kilome…
- The inequality should be \( s < 270 \) - The number line should be shaded to the left
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lita sees a sign that says you must be more than inches tall to ride a …
Plot an open circle at 48 and shade right.
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john hits a fly ball into the air. the ball reaches a maximum height of…
All real numbers between 0 seconds and 8 seconds
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graph the inequality and check the solution. waseme swam more than 100 …
- Draw an open circle at 100. - Shade all numbers to the right of 100. - 150 is shaded, so substitute 150 in for the variable to check the graph of the solution.
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the graph below describes a ball that was kicked. which of the followin…
D. The ball had a maximum height of 1000 centimeters and it was in the air for 4 seconds.
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question 6 of 25 mr. k’s math class is $1\\frac{1}{3}$ hours long. afte…
C. $\frac{7}{12}$ hour
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a concert has been sold out for weeks, and as the date of the concert d…
Equation: $\boldsymbol{193 = 131(1+r)^4}$ Daily rate of increase: $\boldsymbol{10\%}$
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6.1.2 exam: semester exam after swimming to a depth of 50 feet below th…
D. The equation is $-50 + 30 = -20$. The fish is 20 feet below the water's surface.
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what is imperialism? do not turn in immediately we will discuss.
Imperialism is a policy or practice by a powerful state of extending its control (via military, economic, or political means) over weaker territories/nations, often to acquire res…
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select the correct answer from each drop - down menu. a high school cho…
- This proportional situation represents **inverse** variation. - The constant of variation, $k$, is equal to $\boldsymbol{13750}$. - If all 100 students participate, each will ne…
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directions - answer the following questions based on the graph of the s…
Spending ### Part b)
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the venn diagram shows the number of customers who have purchased diffe…
4
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165% of a value is 4785 kg work out the original value.
2900 kg
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select the correct answer. the time it takes to clean up after an anniv…
A. 54 minutes
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the average number of words in a romance novel is 64,182 and the standa…
A. $\approx 0.202$ (or 20.2%) B. $\approx 128$ novels
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westside high’s 2015 senior - class science enrollment is summarized by…
63 ### Second Question: How many students are taking chemistry and biology, but not physics?
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the results of a survey of common allergies was organized into a venn d…
22 ### 2. How many people are allergic to all three choices?
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kaira’s high school recently had a fundraiser where students sold wrapp…
D. Katina's total money raised was 2.83 standard deviations greater than the average of $32.50 raised by each student
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suppose that the distance of fly balls hit to the outfield (in baseball…
A. 0.1190 B. 67
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3. weeds among the corn velvetleaf is a particularly annoying weed in c…
The Normal/Large Sample condition is met because, although the sample size \( n = 28 \) is less than 30, the sample's histogram (of seed counts) is approximately symmetric and uni…
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los angeles workers have an average commute of 29 minutes. suppose the …
A. 0.198 (or ~0.20) B. 735
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3. weeds among the corn velvetleaf is a particularly annoying weed in c…
Let's tackle problem 7 first: ### Problem 7: Blood pressure for a medical study We have a sample of \( n = 27 \) adults, sample mean \( \bar{x} = 114.9 \), and sample standard dev…
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suppose that the speed at which cars go on the freeway is normally dist…
A. 0.3446 B. 0.6449 C. 1.8
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suppose that the weight of seedless watermelons is normally distributed…
A. 1.2 B. ~0.298 (or 0.2981) C. ~0.141 (or 0.1411)
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**part a: what is the meaning of tribulation in paragraph 14?uncertaint…
Part A: difficulty Part B: "And some of you have come from areas where your quest -- quest for freedom left you battered by the storms of persecution" (Paragraph 14)
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a candy gram fundraiser charges $5 per candy gram plus a $20 setup cost…
1. Inequality: $5x - 20 > 170$ 2. Solution: $x > 38$ 3. More than 38 candy grams must be sold.
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suppose that the duration of a particular type of criminal trial is kno…
A. 0.2743 B. 0.3811 C. -1
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11 multiple choice 5 points which of the following identifies the centr…
11. King believes that African Americans should not be denied their civil rights, and encourages others to be relentless in their non-violent fight for freedom. 12. difficulty
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the number of ants per acre in the forest is normally distributed with …
A. 0.3336 B. 0.4447 C. 1
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(round to the nearest tenth as needed.) 9. use dimensional analysis to …
0.25 yd
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51.52 ÷ 8 =
$6.44$
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choose a path: check the one option that makes the most sense right now…
### 1. Constraint Logic I currently rely on immediate income to cover ongoing family expenses like childcare and utility bills, so waiting weeks to start formal work (with no shor…