Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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which of the following verbs belongs to the first plural conjugation to…
Question 4: comprarnos Question 5: No answer can be determined without more context about the meaning and tense required.
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deltamath linear equations w/ distribution (lev 2) score: 1/3 penalty: …
$x = - 2$
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box and whisker plot practice name: ____________ hour: ____________ twe…
First, rewrite data in order: 5.75, 6, 6.5, 6.75, 7, 7.5, 8, 8, 8.25, 8.25, 8.5, 8.75, 9, 9.25, 9.25, 9.5, 10, 10.25, 11, 13.75 Five - Number Summary: Minimum: 5.75 Maximum: 13.75…
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a sample of 265 students was taken from two high schools, alpha high sc…
(1) Alpha High School: 17; Branch High School: 18 (2) Cannot be determined from the box - and - whisker plot (3) Cannot be determined from the box - and - whisker plot (4) More st…
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when playing the game of spikeball, games can be played to a score of _…
For the first question: A. Rally For the second question: D. All of the Above
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box - and - whisker plot make box - and - whisker plots for the given d…
(1) Minimum : 8 Maximum : 39 Q1 : 11 Q2 : 23 Q3 : 32 (2) Minimum : 42 Maximum : 72 Q1 : 46 Q2 : 58 Q3 : 67 (3) Minimum : 62 Maximum : 100 Q1 : 73 Q2 : 80 Q3 : 94
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5. there are 10 red and 20 blue balls in a box. a ball is chosen at ran…
Expected value: $\frac{10}{3}\approx3.33$, Standard - deviation: $\frac{2\sqrt{5}}{3}\approx1.49$
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write the five - number summary for each set of data. 1) 42, 58, 67, 55…
1. Minimum: 40, $Q_1$: 46, $Q_2$: 55, $Q_3$: 66, Maximum: 69 2. Minimum: 1, $Q_1$: 8, $Q_2$: 12.5, $Q_3$: 19, Maximum: 23 3. Minimum: 89, $Q_1$: 93, $Q_2$: 99.5, $Q_3$: 111, Maxim…
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a) the average age of players in major league baseball teams are given …
28.3
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question: which of these contexts describes a situation that is certain…
Reaching into a bag full of 19 strawberry chews and 1 cherry chew without looking and pulling out a strawberry or a cherry chew.
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use the stem - and - leaf plots to answer the questions. minutes of ele…
1. 18 students; 10 students; 33 minutes 2. 14 teachers; 27 fidget spinners; 230 fidget spinners 3. 14 days; 350 tickets; 9 days
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1) the data for the production of number of components at an industry f…
1) | Stem | Leaf | | ---- | ---- | | 1 | 3 5 8 | | 2 | 2 4 6 6 6 | | 3 | 4 8 9 | | 4 | 5 5 5 | | 5 | 1 5 5 6 | Key: 5|5 = 55 2) | Stem | Leaf | | ---- | ---- | | 28 | 1 5 7 8 | | …
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in a popular online role - playing game, players can create detailed de…
\(\frac{7}{166}\)
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question: jacob owns a small business selling bagels. he knows that in …
\(0.22\)
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seventh grade students instrument # of students guitar bass drums keybo…
\(\frac{29}{45}\)
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heights of 5th graders (in.) stems leaves 4 6 8 8 5 0 5 6 6 7 8 8 9 9 9…
How many students are at least 58 in. tall? 14 How many students are less than 58 in. tall? 8 List the heights of the students: 46, 48, 48, 50, 55, 56, 56, 57, 58, 58, 59, 59, 59,…
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math test scores stems leaves 6 5 8 7 0 1 1 4 7 8 5 5 7 8 9 9 9 9 2 4 5…
Math Test Scores: Maximum: 100 Minimum: 65 Range: 35 Mode: 89, 98 Median: 88 Mean: 86.5 Pieces of Candy: Maximum: 41 Minimum: 8 Range: 33 Mode: 28 Median: 25.5 Mean: 19.91
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an apartment complex offers apartments with four different options, des…
$\frac{1}{48}$
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you are dealt one card from a 52 - card deck. find the probability that…
$\frac{11}{26}$
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a hand consists of 4 cards from a well - shuffled deck of 52 cards. a. …
a. 270725 b. 14950 c. 0.055222
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a mathematics teacher wanted to see the correlation between test scores…
The linear regression equation is $y = 1.09x-14.14$. The estimated homework grade for a student with a test grade of 44 is 53.
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the table shows the educational attainment of a population, expressed i…
The odds in favor are $\frac{35}{128}$ The odds against are $\frac{128}{35}$
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the table shows the educational attainment of the population of a count…
\(\frac{104}{179}\)
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julien is solving x² - 4 = 0. he finds that the roots of the quadratic …
Yes, because the roots \(x = \pm2\) are the x - intercepts of the graph of the parabola \(y=x^{2}-4\), which means the graph crosses the x - axis at \(x = 2\) and \(x=-2\).
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in 7 - card poker, played with a standard 52 - card deck, $_{52}c_{7}$,…
$0.999987$
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write and solve an original problem involving probability and combinati…
B. A bag contains 12 black marbles and 9 white marbles. What is the probability that 9 black marbles are chosen at random?; $\frac{22}{29393}$
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the venn - diagram below shows the 11 students in ms. murphys class. th…
\(P(A)=\frac{6}{11}\) \(P(B)=\frac{5}{11}\) \(P(A\ and\ B)=\frac{3}{11}\) \(P(B|A)=\frac{1}{2}\) \(P(A)\cdot P(B|A)=\frac{3}{11}\)
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based on the two data sets represented below, complete the following se…
The mean of Data Set X is greater than the mean of Data Set Y. The median of Data Set X is greater than the median of Data Set Y.
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a single die is rolled twice. find the probability of rolling an odd nu…
\(\frac{5}{18}\)
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based on the two data sets represented below, complete the following se…
The median of Data Set D is greater than the median of Data Set E. The minimum of Data Set D is greater than the minimum of Data Set E.
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the venn diagram below shows the 14 students in ms. harriss class. the …
\(P(A)=\frac{4}{7}\) \(P(B)=\frac{9}{14}\) \(P(A\text{ and }B)=\frac{1}{7}\) \(P(A|B)=\frac{2}{9}\) \(P(B)\cdot P(A|B)=\frac{1}{7}\)
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based on the two data sets represented below, complete the following se…
The median of Data Set E is less than the median of Data Set F. The interquartile range (IQR) of Data Set E is equal to the interquartile range (IQR) of Data Set F.
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the numbered disks shown are placed in a box and one disk is selected a…
$\frac{3}{7}$
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(round to three decimal places as needed.) show that if 23 people are s…
The probability that none of the 23 people share a birthday is approximately $0.493$. The probability that at least 2 of 23 people have the same birthday is approximately $0.507$.…
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question the dot plot below represents the number of goals scored by th…
1
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the venn - diagram below shows the 17 students in ms. daviss class. the…
$P(A)=\frac{8}{17}$ $P(B)=\frac{7}{17}$ $P(A\text{ and }B)=\frac{1}{17}$ $P(B|A)=\frac{1}{8}$ $P(A)\cdot P(B|A)=\frac{1}{17}$
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the students in a class collected data on the number of minutes some of…
2
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a teacher put all her students quiz scores up on the dot plot below. qu…
60
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this exercise is on probabilities and confidence intervals. a. if two p…
a. The first person can have a birthday on 365 of the 365 days. In order for the second person to not have the same birthday they must have one of the 364 remaining birthdays. b. …
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use graph b to answer the following questions. 1. plot the points from …
1. Points should be plotted on the graph as per the (x,y) pairs in the table. 2. Nonlinear, Negative Association 3. Yes, the outlier is at (16,20) 4. No
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the table shows the outcome of car accidents in a certain state for a r…
The probability as a decimal is 0.795 The probability as a fraction is $\frac{2019}{2538}$
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next, calculate the product of the standardized values of each variable…
$z_{x_1}z_{y_1}=-0.23$, $z_{x_2}z_{y_2}=-0.13$, $r=-0.97$
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find the median and mean of the data set below: 26, 1, 30, 13 answer at…
Median = $19.5$ Mean = $17.5$
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a game of scrabble has 100 tiles, as shown to the right. the number of …
$\frac{4}{24255}$
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find the median and mean of the data set below: 43, 49, 6, 5, 9 answer …
Median = 9 Mean = 22.4
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find the median and mean of the data set below: 48,42,30,10,5 answer at…
Median = 30 Mean = 27
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find the correlation r step - by - step. let x denote the sea surface t…
\(\bar{x}=0.86\) degrees, \(\bar{y}\approx26.47\) cm, \(s_{x}\approx0.044\) degrees, \(s_{y}\approx0.23\) cm
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in a class of 60 students, 30 are democrats, 14 are business majors, an…
a. $\frac{11}{30}$ b. $\frac{2}{5}$
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some beans are selected from a large jar containing equal amounts of wh…
\(P(A|B)=\frac{1}{3}\), \(\frac{P(A\cap B)}{P(B)}=\frac{1}{3}\)
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find the median and mean of the data set below: 23, 35, 47, 22, 32, 46,…
Median = 35 Mean = 36
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find the median and mean of the data set below: 22, 9, 3, 24, 21 answer…
Median = 21 Mean = 15.8
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suppose the odds in favor of a person who is alive at age 20 still bein…
$\frac{198}{469}$
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in a lottery, the top - cash prize was $621 million, going to three luc…
$\frac{104}{7371675}$
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the venn diagram below shows the 17 students in ms. daviss class. the d…
$P(A)=\frac{8}{17}$ $P(B)=\frac{7}{17}$ $P(A\ and\ B)=\frac{2}{17}$ $P(B|A)=\frac{1}{4}$ $P(A)\cdot P(B|A)=\frac{2}{17}$
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ten employees took a cpr test. the results are displayed below in a his…
C. 57, 62, 63, 65, 66, 71, 72, 73, 77, 79, 79, 81, 81, 83, 85, 89, 91, 94
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which text best completes the sentence? visitor statistics indicate tha…
B. a more popular tourist destination than Yosemite National Park
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12. which of the following questions is not considered statistical? a. …
C. How long do you own a pair of shoes?
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plot the data in the tables below to create scatterplots. then answer t…
1. Points are plotted on the graph as per the table values. 2. Linear, Negative Association 3. No 4. Yes, because the scatter - plot shows a linear and negative association, and b…
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the diagram below shows the memberships for the chess club and the scie…
\(P(A)=\frac{7}{13}\), \(P(B)=\frac{8}{13}\), \(P(A\cap B)=\frac{4}{13}\), \(P(A|B)=\frac{1}{2}\), \(P(B)\cdot P(A|B)=\frac{4}{13}\)
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the venn - diagram below shows the 11 students in ms. daviss class. the…
\(P(A)=\frac{4}{11}\) \(P(B)=\frac{6}{11}\) \(P(A\cap B)=\frac{1}{11}\) \(P(B|A)=\frac{1}{4}\) \(P(A)\cdot P(B|A)=\frac{1}{11}\)
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15. the box plot below shows the number of siblings each student in mrs…
D. Over half of the students in Mrs. Hines' class have two or more siblings.
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6. which of the statements about the data in the histogram is true? 201…
D. A total of 18 teams made 26 or more field goals.
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complete the text with the best conjunctive adverb. on the hubble space…
As a result
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complete the text with the best conjunctive adverb. on d - day, june 6,…
Indeed
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which of the following statements is the best description for the data …
C. The range of the data is 13.
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what does the word improbable mean in this sentence? our teacher though…
A. doubtful
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complete the text with the better conjunctive adverb. the united states…
As a result
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suppose the odds in favor of a person who is alive at age 20 will being…
$\frac{5}{16}$
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instructions: complete the chart by dragging and dropping the correct m…
| Term | Form | Meaning | |--|--|--| | first person | noun | the point of view in which the narrator is a character in the story and uses the pronoun I | | second person | noun | …
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a game of scrabble has 100 tiles, as shown to the right. the number of …
$\frac{4}{17325}$
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ideals of the declaration - gra directions: read the posted text, then …
2. Preamble, List of Grievances, Declaration of Natural Rights, Resolution of Independence. 3. It states natural rights and government - by - consent principles. 4. Rights that ca…
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7. the data set below represents the different costs of monthly interne…
a. $55$ b. $\approx9.67$
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the table shows the educational attainment of the population of a count…
$\frac{111}{176}$
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a hand consists of 4 cards from a well - shuffled deck of 52 cards. a. …
a. 270725 b. 715 c. 0.002641
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in 5 - card poker, played with a standard 52 - card deck, $_{52}c_{5}$,…
$0.996244$
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in a class of 46 students, 22 are democrats, 18 are business majors, an…
a. $\frac{19}{46}$ b. $\frac{9}{46}$
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you are dealt one card from a 52 - card deck. find the probability that…
$\frac{11}{26}$
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the table shows the outcome of car accidents in a certain state for a r…
The probability as a decimal is $0.242$. The probability as a fraction is $\frac{135}{557}$.
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5. based on the box plot below, which statement is not true? age of ser…
A. The oldest team member is 24.
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the birthmark is often read as an allegory (a story in which the conten…
He represents the dangers of viewing science - and scientists - as all - powerful.
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this exercise is on probabilities and coincidence of shared birthdays. …
The probability that none of the 23 people share a birthday is \(0.493\). The probability that at least 2 of 23 people have the same birthday is \(0.507\). The probability that th…
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which of aristotles artistic appeals fits each textual argument in the …
When she cites statistics and figures regarding how many of these vehicles use her front curb as a regular stopping spot: logos Establishing herself as an expert on this issue bec…
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life: chapter 7 helen keller 1902 after losing her sight and hearing wh…
C. They illustrate how interacting with nature can lead to a greater understanding of the world.
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this exercise is on probabilities and combinations. a if two people are…
a. First person: 365; Second person: 364 b. 0.986 c. 0.014 d. 0.212
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4. the number of wins in the 2015 season in the american league is show…
27
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the table shows the educational attainment of a population, expressed i…
The odds in favor are $\frac{35}{128}$. The odds against are $\frac{128}{35}$.
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a single die is rolled twice. find the probability of rolling an odd nu…
$\frac{5}{12}$
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in a lottery, the top - cash prize was $648 million, going to three luc…
\(\frac{1}{1783}\)
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unit skills assessment 1: \excerpt from the story of my life: chapter 7…
C. They demonstrate the delight Keller felt in learning to read
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it is computed that when a basketball player shoots a free - throw, the…
The probability that the player misses the free throw is $\frac{1}{8}$. The player should make 88 out of 100 free throws.
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it is computed that when a basketball player shoots a free - throw, the…
The probability that the player misses the free - throw is $\frac{1}{8}$. On average, out of 100 free - throws, he should make 87.5.
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of the 40 plays attributed to a playwright, 17 are comedies, 13 are tra…
$17:23$
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the winner of a raffle will receive a 21 - foot outboard boat. if 1000 …
$97:3$
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one card is randomly selected from a deck of cards. find the odds again…
$47:5$
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on new years eve, the probability of a person driving while intoxicated…
$0.07$
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the game of scrabble has 100 tiles. the diagram shows the number of til…
\(\frac{7}{100}\)
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the game of scrabble has 100 tiles. the diagram shows the number of til…
$\frac{2}{25}$
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the table shows the educational attainment of the population of a count…
\(\frac{5}{9}\)
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the mathematics department of a college has 10 male professors, 8 femal…
$\frac{31}{41}$
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it is equally probable that the pointer on the spinner shown will land …
$\frac{7}{8}$