Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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within 1.5 miles of school more than 1.5 miles from school walk or bike…
266
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question enola has a bag of candy full of 19 strawberry chews and 1 che…
certain
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a system of government where only a small group of people wholed all th…
- "A system of government where only a small group of people hold all the power" - Oligarchies - "City - State" - City - State (already labeled correctly in the given content) - "…
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which of these would be considered part of the logistics network? (sele…
A. Distribution centers, B. Retailers, D. Suppliers, E. AS/RS systems
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tropical islands have many rainstorms during the afternoon heat. one pa…
\(\mu_{x}=5.53,\sigma_{x}=1.08\)
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in a family of five children, there is a 25% chance that each individua…
$\mu_{x}=1.25,\sigma_{x}=0.97$ (the first option)
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consider the given probability histogram of a binomial random variable.…
Center: 2.5, Shape: symmetric
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2 the data below represents the speeds, in miles per hour, of a pitcher…
A.
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the owner of a local movie theater keeps track of the number of tickets…
0.95
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which statements are true of an allegory? check all that apply. it is a…
It is an extended metaphor. It has literal and symbolic meanings. It helps to communicate an abstract concept. It has moral, social, religious, or political significance.
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hannah has a chicken coop with 6 hens. let x represent the total number…
\(4\)
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the final exam grade distribution for all students in the introductory …
\(3\)
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hannah has a chicken coop with 6 hens. let x represent the total number…
The number of eggs laid on a randomly selected day would typically vary from the expected number of eggs by 1.96 eggs.
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the owner of a local movie theater keeps track of the number of tickets…
2
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the final exam grade distribution for all students in the introductory …
The grade for a randomly selected student would typically vary from the expected grade by \(1.16\) (the first option).
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hannah has a chicken coop with 6 hens. let x represent the total number…
4.2
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standardized tests for certain subjects, given to high school students,…
\(2.95\)
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the owner of a local movie theater keeps track of the number of tickets…
skewed right
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the owner of a local movie theater keeps track of the number of tickets…
\(P(X\leq3)\)
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the grade distribution for students in the introductory statistics clas…
\(0.91\)
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the owner of a local movie theater keeps track of the number of tickets…
\(0.83\)
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standardized tests for certain subjects, given to high school students,…
unimodal, approximately symmetric
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the grade distribution for students in the introductory statistics clas…
\(0.31\) (the second option)
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the grade distribution for students in the introductory statistics clas…
\(P(X > 2)\)
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the owner of a local movie theater keeps track of the number of tickets…
0.17
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standardized tests for certain subjects, given to high school students,…
0.38
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a six - sided number cube is rolled and the proportion of 3s is calcula…
The long - run frequency of rolling a 3 appears to be about 0.17.
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the basketball star diagnostic the employees at two small companies hav…
A typical employee (represented by the median - since the data for Company X has an outlier \(129000\) which skews the mean) would expect to make more money at Company Y. The medi…
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insurance company executives surveyed 200 young adults about their firs…
0.14
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what is the mode of the set of numbers? 78, 68, 85, 78, 76, 79, 73, 66,…
$78$ and $85$
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residents in a city are charged for water usage every three months. the…
roughly symmetric
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what is the mode of the set of numbers? 3, 14, 23, 12, 20, 8, 12, 17, 1…
\(12\)
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what is the median of the set of numbers? 12, 23, 7, 29, 17, 12
14.5
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what is the median of the set of numbers? 45, 37, 19, 27, 35, 19 type y…
\(31\)
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fuel efficiency, measured in miles per gallon, is a feature often consi…
Point \(D\)
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what is the median of the set of numbers? 26, 26, 50, 23, 47, 18 type y…
\(26\)
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what is the probability of selecting a face card from a standard deck o…
\(\frac{3}{13}\)
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what is the median of the set of numbers? 14, 1, 5, 12, 17 type your an…
\(12\)
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what is the mean of the set of numbers? 17, 17, 11, 10, 1, 20, 17, 17
\(12.5\)
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what is the mean of the set of numbers? 17, 22, 14, 31 type your answer…
\(21\)
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solve for t. a = byt - c t = \\frac{a + \\square{?}}{b\\square{}}
The green box (numerator addition) is \( C \), and the grey box (denominator) is \( y \). So \( t=\frac{A + C}{By} \), meaning the green box value is \( C \) and the grey box valu…
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supporting one another in friendship means that you a do whatever the o…
B. share trust with your friend and stand by one another in good and challenging times
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the parallel histograms below display the heights of men in each of two…
Men’s heights in country A are more variable than men’s heights in country B.
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solve for m. 6n - q = mp + 2 m = \\frac{6n - ? - 2}{ }
The green box (numerator missing term) is \(q\), and the gray box (denominator) is \(p\). So \(m=\frac{6n - q - 2}{p}\), which means the value in the green box is \(q\) and the va…
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in a deck of 52 playing cards, what is the probability of getting a spa…
$\frac{1}{4}$
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given a standard deck of cards, what is the probability of randomly cho…
\(\frac{1}{13}\)
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p(not a)= *remember to simpllify.*
\(\frac{3}{4}\)
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based on the graph, is there an association between age and preferred m…
There is an association because the distribution of preferred transportation differs among the age groups.
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fuel efficiency, measured in miles per gallon, is a measure often consi…
The value of the correlation coefficient would not change.
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a student is preparing to take a standardized exam. she was told that s…
Yes, there is no clear pattern in the residual plot.
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directions: choose the correct answer for each 1. what does the prefix …
B. One
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given a standard deck of cards, what is the probability of randomly cho…
\(\frac{1}{4}\)
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4 select all of the correct answers. what does the process of close rea…
analyze and critique the story, understand the literary elements of the story
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given a standard deck of cards, what is the probability of randomly cho…
$\frac{1}{52}$
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abby scored 87, 93, 96, and 89 on her first four history quizzes. what …
100
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a car wash has three different types of washes: basic, classic, and ult…
\(0.52\)
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a bag contains 15 black marbles, 12 white marbles and 25 blue marbles. …
\(\frac{3}{13}\)
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the scatterplot illustrates the relationship between high school and co…
Lower high school GPAs correlate to lower college GPAs, with one exception of a low high school GPA and high college GPA.
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a bag contains 2 red balls, 3 green balls, and 5 yellow balls. if a bal…
\(\frac{3}{10}\)
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in the scatterplot, a line of best fit for the data is shown. which of …
A. \(y = 10.92-1.55x\)
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during final exam weeks, many college students exercise to fuel their s…
0.38
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what is the probability the spinner stops on yellow?
\(\frac{1}{2}\)
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an urban planner collects data on how park trails are used by residents…
\(0.1728\) (the second option)
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an elected official surveyed residents of a town to assess their satisf…
\(0.2091\) (First option)
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impossible certain unlikely likely what is the probability of picking a…
Unlikely
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people were surveyed about their age and their favorite way to travel f…
teen
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you spin the spinner 1 time. what is p(7)?
\(\frac{1}{4}\)
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some randomly selected high school students were asked to name their fa…
\(0.27\)
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a bag has 4 green marbles, 3 red, 2 blue and 1 yellow. what is the theo…
\(\frac{3}{10}\)
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what does the term \tiered service plans\ mean? different levels of cus…
Different levels of customer service
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there are 3 blue balls, 2 green balls and 5 red balls in bag. keegan pi…
\(\frac{0}{10}\)
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a group of ticket takers at a box office for a new theater noticed that…
The second table (Action: 0.23, Comedy: 0.39, Drama: 0.28, Horror: 0.10) is the correct probability distribution.
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there are 4 blue balls and 5 red balls in bag. kenny picks one out of t…
\(\frac{4}{9}\)
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if you toss a coin, what is the probability of getting heads?
\(\frac{1}{2}\) (which is equivalent to \(\frac{2}{2}\) simplified correctly as the probability of getting heads when tossing a coin is \(\frac{1}{2}\))
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a medical clinic is randomly selecting two staff members to attend a co…
\(\frac{6}{11}\)
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which statement is true? both the range and iqr are affected by outlier…
C. The IQR is not as affected by outliers as the range
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if you throw a 6 - sided dice, what is the probability of throwing a nu…
\(\frac{1}{3}\)
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if you throw a 6 - sided dice, what is the probability of throwing a nu…
\(\frac{1}{3}\)
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a researcher randomly selects 95 high school students and asks their ha…
\(P(B|F) = 0.45\); given that the student has fair dancing skills, there is a \(0.45\) probability that they prefer to write with block letters. So the correct option is \(P(B|F)=…
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what does combative mean? * 5 point edit of nantes ultra - catholic act…
militant
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a candle shop owner collected data on customers favorite scents, as sho…
\(0.14\) (the second option)
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if you throw a 6 - sided dice, what is the probability of throwing a 6?
\(\frac{1}{6}\)
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what does combative mean? * edit of nantes ultra-catholic act of suprem…
militant
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what is the p (not purple) on this spinner?
\(\frac{4}{5}\)
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a teacher offers gift cards as a reward for classroom participation. th…
\(\frac{1}{12}\) (But since there is no \(\frac{1}{12}\) in the options, maybe the problem is about combinations (where order does not matter). The number of combinations of choos…
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the spinner shown is spun once. p(greater than 10)
0
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what is the probability the spinner stops on yellow? .05 1/2 3/8 1/3
\(\frac{3}{8}\)
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a study reported that about 40% of high school students have tried out …
\(0.45\)
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insurance company executives surveyed 200 young adults about their firs…
\(0.11\) (the third option)
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the following two - way table shows the distribution of daily traffic a…
No, \(P(A) eq P(A|B)\)
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a professional pool player claims that she sinks at least one ball in a…
The fourth option: There is about a 27% chance of her sinking at least one ball on her break 14 or fewer times in 20 games. This result is not unusual and there is no convincing e…
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during final exam weeks, many college students exercise to fuel their s…
\(0.76\)
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jesuss disciples and followers spread the message of christianity by wr…
by traveling to speak to people across the Roman Empire.
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examine the provided map showing major railroad lines and industrial re…
Railroads enabled the rapid and efficient distribution of finished steel products to markets across the nation. Railroads were essential for transporting crude oil from drilling s…
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students in mrs. barness class determined the probability that she will…
0.33
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what is the range of the dataset represented by the boxplot if you igno…
\( 22.5 \)
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a medical clinic is randomly selecting two staff members to attend a co…
Not nurse
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\i knew that except for the half - hour shed been alone with gatsby dai…
Question 1: B. disgusting Question 2: A. Tom drinks illegal alcohol every day.
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the graph below represents data that was collected by students on the n…
\(16\)
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the graph below represents the number of siblings each student in a cla…
\(5\)