Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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using the data below, eve created a conditional relative frequency tabl…
Eve's table shows that those who enjoy dancing are likely girls. Bob's table shows that boys are likely to not enjoy dancing. The percentage of someone being a girl, given that th…
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based on a survey, 37% of likely voters would be willing to vote by int…
$0.00016$
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4. compute the probability of x successes, using table b in appendix a.…
5a: $P(3)\approx0.000493$ 5b: $P(2)\approx0.131$ 5c: $P(3)\approx0.342$ 6a: $P(0)=0.00647$ 6b: $P(5)\approx0.187$
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3. compute the probability of x successes, using table b in appendix a.…
a. $0.42$ b. $0.3456$
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based on a poll, among adults who regret getting tattoos, 15% say that …
a. $0.2316$ b. $0.3679$ c. $0.5995$ d. No, because the probability that more than 1 of the selected adults say that they were too young is greater than $0.05$
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marbles problems | | glass | steel | plastic | total | | ---- | ---- | …
$P(glass)=\frac{22}{81}$ $P(glass|green)=\frac{5}{6}$ No, the events "glass" and "green" are not independent events.
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based on a poll, among adults who regret getting tattoos, 15% say that …
a. $0.2316$ b. $0.3679$ c. $0.5995$
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probability worksheet 4 (independent events, intersection rule) 1 multi…
B. \(P(B)=P(B|A)\) D. \(P(A)=P(A|B)\)
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the table below shows the conditional relative frequencies of a set of …
There is an association between gender and scholarship earned because the conditional relative frequencies for males and females who earned a scholarship are different.
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based on a poll, among adults who regret getting tattoos, 15% say that …
$0.3679$
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based on a poll, among adults who regret getting tattoos, 15% say that …
$0.2316$
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the graph shows the relationship between time and distance for masons t…
a. Yes, the graph shows a proportional relationship because it is a straight - line graph passing through the origin. b. The unit rate for Mason's run is 200 meters per minute. c.…
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one hundred thirty people were asked to determine how many cups of frui…
The conditional relative frequency that someone ate more than 2 cups of fruit, given the person drank less than or equal to 4 cups of water is approximately 24%. The conditional r…
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identify the expression for calculating the mean of a binomial distribu…
D. np
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station #9 \the invariable mark of wisdom is to see the miraculous in t…
Emerson means that true wisdom lies in the ability to find the extraordinary and wonderful aspects within the seemingly mundane and common - place elements of life.
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analyzing conditional relative frequency tables. students in 10th and 1…
Given that a student is a 10th grader, there is a 14% chance he or she has a job.
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the conditional relative frequency table was generated using data that …
36
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a census was conducted that determined the land area and populations of…
\(a = 0.07\) \(b = 1.00\)
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which of the following is not a requirement of the binomial probability…
B. The trials must be dependent
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assume that hybridization experiments are conducted with peas having th…
The result is significantly low, because 8 peas with green pods is less than or equal to 16.4 peas.
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the frequency table represents data gathered about how much time some f…
$a = 0.6$ $b = 0.4$ $c = 0.2$ $d = 0.8$
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the following text is from yann martels 2001 novel life of pi. the narr…
A. Extended
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4. which financial aid package options would be reduced by fees (deduct…
d. Direct Subsidized Federal Loan
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true/false: your employer can deposit your pay - check directly into yo…
B. true
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movies based on books are never as good as the original stories. they o…
C. By insisting that movies based on books are not meant to duplicate the books but to complement them
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assume that hybridization experiments are conducted with peas having th…
21
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practice working with relative frequency tables. weekend curfews determ…
$a = 0.1$ $b = 0.85$
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4. part b: which quote from the text best supports the answer to part a…
4. Without knowing the answer to Part A, it's impossible to determine the correct quote. 5. Without the full text and specific content of paragraphs 19 - 20, it's not possible to …
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a card is drawn from a standard deck. are these events mutually exclusi…
B. overlapping
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1. which statement best identifies the central idea of the text? a. the…
## Part A: C. Joseph McCarthy used fear to manipulate Americans and government officials into wrongly accusing and convicting people of being secret communists. ## Part B: A. "McC…
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in an experiment, a die is tossed. are these events mutually exclusive …
Mutually exclusive
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wednesday, july 8, 1942 - by anne frank. suddenly the doorbell rang aga…
D. Will they hide in the city or country?
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what does move \back\ mean in this problem? to move in the positive dir…
to move in the negative direction
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blacklisting mccarthy was not the only individual to seek out potential…
4. Without knowing the answer to Part A, it's impossible to determine the correct quote. 5. Reagan's testimony likely expresses his stance on communism and its threat to democrati…
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assume that different groups of couples use a particular method of gend…
11.5
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which of the following statements about the students at central high sc…
A is false (more information on other options needed for full - answer)
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based on a poll, among adults who regret getting tattoos, 14% say that …
a. $0.2213$ b. $0.3603$ c. $0.5816$ d. No, because the probability that more than 1 of the selected adults say that they were too young is greater than $0.05$.
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here is a table giving the number of us households (in thousands) in 20…
Owns home: 76 Rents home: 40
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while reading an assigned chapter in his statistics textbook, kay comes…
Highlighting important concepts and terms in your reading assignment Asking yourself what you need to learn from a reading assignment before beginning it Connecting new informatio…
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based on a poll, among adults who regret getting tattoos, 14% say that …
a. 0.2213 b. 0.3603 c. 0.5816 d. No, because the probability that 0 or 1 of the selected adults say that they were too young is greater than 0.05.
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others do not. the following two - way table displays this data. approx…
53%
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analyze each scenario in the following table, and select whether the st…
1. Tara: Active 2. Dominic: Active 3. Phil: Passive 4. Raj: Active 5. Mary: Passive 6. Juanita: Active
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.5816$
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spain in north america spanish explorers made several important discove…
1. F 2. D 3. G 4. B 5. E 6. B 7. C 8. C 9. H 10. C
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.4197$
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.3725$
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what is diversification? a. deciding how much money to allocate to each…
A. Deciding how much money to allocate to each asset type B. Choosing the percentage or distribution of investments to make within each asset type
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.3243$
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9. write an equation in any form to represent the table. |x|y| |0|8| |2…
$y = 2x + 8$ ### 10.
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based on a poll, among adults who regret getting tattoos, 14% say that …
$0.2213$
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based on a survey, 35% of likely voters would be willing to vote by int…
a. $0.00476$ b. C. Yes, because the probability of 9 or more is $0.00560$, which is low c. $0.994$
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based on a survey, 35% of likely voters would be willing to vote by int…
a. $0.00476$ b. C. Yes, because the probability of 9 or more is $0.00560$, which is low.
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based on a survey, 35% of likely voters would be willing to vote by int…
a. $0.00470$ b. C. Yes, because the probability of 9 or more is $0.00577$, which is low.
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based on a survey, 35% of likely voters would be willing to vote by int…
$0.00568$
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read this excerpt from \the raven.\ what this grim, ungainly, ghastly, …
C. scarier
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3) a suburban high school has a population of 1376 students. the number…
\(\frac{27}{344}\)
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based on a survey, 35% of likely voters would be willing to vote by int…
$0.00455$
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based on a survey, 35% of likely voters would be willing to vote by int…
$0.00447$
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what does ise up\ mean in this part of the song, and who is being told …
It means to stand up and fight for freedom; everyone, including brothers and sisters, is called to take action.
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assume that when human - resource managers are randomly selected, 53% s…
0.0070
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station #2 \why should we live with such hurry and waste of life? men s…
Thoreau means men are over - doing it in an attempt to save future effort. He likely values living in the moment and is critical of the excessive hurry and over - planning to avoi…
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multiple choice question during an interview process, each party commun…
B. literally talking to oneself
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question 2 of 10 why does compound interest earn you a higher annual pe…
D. Compounding means you earn interest on the money that has already earned interest.
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directions: brainstorm your answers to the following questions in the s…
1. The author shows that greed can cause people to overlook the suffering of others for personal gain. 2. It means that relationships may have hidden aspects and we may not fully …
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what does mesopotamia mean?
Land between the rivers (specifically the Tigris and Euphrates)
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8. daniel works as a volunteer in a homeless shelter. so far, he has wo…
a. $y = 3x+22$ b. Slope $m = 3$, means 3 hours worked per week; y - intercept $b = 22$, means 22 hours already worked. c. 70 hours
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assume that when human resource managers are randomly selected, 53% say…
0.0090
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assume that when human resource managers are randomly selected, 50% say…
0.0065
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the quotations are from sadakos character in morning rain. in which quo…
"Well, if it's not too much trouble, I think some manju would be nice."
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assume that when human - resource managers are randomly selected, 56% s…
0.0006
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read the passage from sugar changed the world. starting around 1800, su…
The authors include details about the changes in diets over time to inform readers about how sugar has transformed what we eat.
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assume that when human - resource managers are randomly selected, 56% s…
0.0005
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assume that when human resource managers are randomly selected, 53% say…
$0.4015$
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question 1 the phrase, “mi cumpleaños es...” means, “my birthday is...”…
True
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assume that when human - resource managers are randomly selected, 53% s…
$0.2267$
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assume that when human resource managers are randomly selected, 61% say…
$0.1657$
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assume that when human - resource managers are randomly selected, 61% s…
$0.1171$
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assume that when human - resource managers are randomly selected, 61% s…
$0.1596$
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assume that when human - resource managers are randomly selected, 45% s…
$0.2600$
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assume that random guesses are made for 5 multiple - choice questions o…
$0.328$
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b: which quote from the text best supports the answer to part a? a. \me…
Cannot be determined without more context.
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39.8% of consumers believe that cash will be obsolete in the next 20 ye…
$0.411$
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read the excerpt from \daughter of invention\. \ya - ya!\ she waved the…
She does not want to dwell on something that cannot be changed.
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30.8% of consumers believe that cash will be obsolete in the next 20 ye…
$0.486$
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which comparison of the distributions is true? the distribution of low …
The distribution of low temperatures is skewed right, and the distribution of high temperatures is nearly symmetric.
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text-dependent questions directions: for the following questions, choos…
1. PART A: C. Joseph McCarthy used fear to manipulate Americans and government officials into wrongfully accusing and convicting people of being secret communists. 2. PART B: A. "…
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based on a survey, assume that 26% of consumers are comfortable having …
The value of p is 0.26. The value of q is 0.74.
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based on a survey, assume that 20% of consumers are comfortable having …
$n = 6$ $x = 4$ $p = 0.2$ $q = 0.8$
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which of lauras misquoted idioms from \daughter of invention\ is intend…
"It's half of one or two dozen of another"
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which best explains how the histogram is useful for comparing the shape…
It is easier to visually compare symmetry and skew of the data
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number of pages in each book box a 32 32 28 28 28 28 25 25 35 box b 48 …
The median of Box B is greater than the median of Box A.
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the graph of which distribution is shown below? relative frequency 0% 2…
Relative - frequency distribution
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the graph of which distribution is shown below? relative frequency 0% 2…
Relative - frequency distribution
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12. in paragraph 13, what does alleviate mean? to make a decision about…
To make less severe
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fill in the blank. the ______ of a discrete random variable represents …
expected value
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fill in the blank. a random variable has either a finite or a countable…
discrete
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fill in the blank. a ______ variable is a variable that has a single nu…
random
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in a states lottery, you can bet $1 by selecting three digits, each bet…
D. The casino game is a better bet because it has a larger expected value
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outreach plan, but before scheduling them for wide distribution, you ne…
D. Share the posts with a small group to gather feedback and make improvements
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in a states lottery, you can bet $1 by selecting three digits, each bet…
$-0.6$