Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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sc - 6 additional practice in 1 - 5, use the data table. cost of kick s…
1. Mean: $\$135.5$, Median: $\$135$, Mode: $\$135$ 2. The mean decreases. The original mean is $\$135.5$ and the new mean is approximately $\$132.86$ because the value of $\$154$ …
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a prize bag contains four country music cds, eight pop music cds, and f…
0.07
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juanita has a storage closet at her shop with extra bottles of lotion a…
C. \(P(\text{shower gel}|\text{scented}) = 42\%\)
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source: andrew carnegie, wealth in the north american review, june, 188…
1. Andrew Carnegie, June 1889 2. A Darwinian concept applied to society. The most successful in economic competition accumulate wealth. 3. Leave great fortunes to children out of …
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read the following sentence: the evidence presented by the prosecution …
Impossible to deny or disprove
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nico owns 11 instructional piano books. two are beginner books, six are…
$\frac{6}{121}$
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getting meaning from the context what does the pharaoh mean in the stor…
1. C. a ruler of ancient Egypt 2. B. People robbed the pyramids.
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part (e) you are to find the probability of probability. a. $\frac{\bin…
Without more context about the problem (such as what the combinations in the numerator represent exactly), we can't be 100% sure. But if we assume the total number of outcomes is …
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the spinner is equally likely to land on any of the five sections. what…
$\frac{3}{5}$
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assignment 1 replacement: problem 7 (1 point) the game of yahtzee consi…
Part (a): 0.9074 Part (b): 0.0154 Part (c): 0.0309 Part (d): 0.0008 Part (e): The correct probability expression is not clearly shown in the options provided in a standard form, b…
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a survey finds that 48% of people identify themselves as fans of profes…
A. $P(F|C)=0.75$ C. $P(C\cap F)=0.09$ D. $P(C\cap F)=P(F\cap C)$
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assignment 1 replacement: problem 4 (1 point) for each problem, select …
(a) D. the probability of the event (b) B. the sample space
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assignment 1 replacement: problem 3 (1 point) if (p(a)=0.55, p(b)=0.45)…
a) $0.95$ b) $0.45$ c) $0.55$ d) $0.5$ e) $0.95$
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the table below shows the results of a survey that asked 1053 adults fr…
$0.990$
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refer to the data in the table to answer the following questions. enter…
Constant of proportionality: $\frac{7}{17}$ Proportion: $m=\frac{7}{17}h$
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the table below shows the results of a survey that asked 1053 adults fr…
(a) 0.836 (b) 0.701 (c) 0.990
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a triangular die is a four - sided die, each side possessing either a n…
Part (a): $0.8125$ Part (b): $0.3125$ Part (c): $0.6250$ Part (d): $0$ Part (e): C. A and C are not mutually exclusive events because $P(A\cap C) eq0$.
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the table below shows the results of a survey that asked 1053 adults fr…
$0.691$
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the point (2, 8) means that eva line c logan line a blake line b none o…
Line A, Line C
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the table below shows the results of a survey that asked 1053 adults fr…
0.836
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in a poll, students were asked to choose which of six colors was their …
7260
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how has transportation affected globalization? by encouraging the quick…
by encouraging the exchange of goods and services
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amendments to u.s. constitution what is the process? adding the bill of…
1. The U.S. Constitution has 27 amendments. 2. Over 11,000 amendments have been introduced in Congress. 3. The writers of the Constitution made it difficult to change to protect t…
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what are the contributing factors that increase the likelihood of genoc…
a government that is divided philosophically, economic, political, or social instability, unequal distributions of power and resources, leaders who increase tensions between groups
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question 27 of 28 knowing yourself and others, reading for understandin…
determining the meaning of a text.
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getting to know yourself and others is a valuable part of reading becau…
B. broaden the scope of our analysis of a text
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robert bought 2 movie tickets for $10. deion spent $20 on 4 movie ticke…
Yes, the price is always 5 times the number of tickets.
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an essential part of annotating, understanding, and making meaning of a…
slowing down.
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authors purpose can be defined as the point the author is hoping to com…
the point the author is hoping to communicate to readers.
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question 15 of 28 when interpreting a texts theme, the writer is focuse…
E. drawing a reasonable conclusion about the message of the text.
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the term \consumer - driven\ means that long - term care consumers are:…
Question 11: C. allowed to make decisions related to their care and financing as much as possible. Question 12: D. a mix of for - profit, nonprofit, and government - owned.
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the overarching purpose while reading for understanding, interpretation…
draw conclusions about the meaning of a text.
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8. amendment viii - what punishment is forbidden? 9. amendment ix - wha…
8. Excessive bail, excessive fines, and cruel and unusual punishments are forbidden. 9. It says that the non - listing of rights in the Constitution doesn't mean people don't have…
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4. amendment iv – what must officials have to search your home? 5. amen…
4. A warrant based on probable cause. 5. Fair treatment through the legal system, including notice of charges, right to an attorney, and a fair trial. 6. The right to a speedy and…
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in act one, scene four (54 - 55), troy gives a monologue (a long speech…
1. To determine the most significant detail about Troy from his monologue, closely read the text to identify key events, attitudes, or beliefs he reveals. The importance of the de…
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73) all vehicles must be equipped with a windshield wiper a) capable of…
73) A. capable of keeping the windshield clear 74) A. having alcoholic beverages inside the car 75) D. 30% 76) A. the cyclist may swerve into traffic 77) A. wear a helmet 78) B. r…
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what does the phrase erves of steel\ mean in this part of the selection…
C. an ability to stay calm under stress
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choose the histogram for this frequency table: interval frequency 0 - 4…
The first histogram.
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choose the histogram for this frequency table: interval frequency 0 - 6…
The first histogram.
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engineers want to design seats in commercial aircraft so that they are …
$15.8$ in
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weights of golden retriever dogs are normally distributed. samples of w…
D. No, the original population is normally distributed, so the sample means will be normally distributed for any sample size.
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before every flight, the pilot must verify that the total weight of the…
$0.7357$
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when women were finally allowed to become pilots of fighter jets, engin…
a. $0.6851$ b. $1.0000$ c. A. The part (a) probability is more relevant because the seat performance for a single pilot is more important.
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when women were finally allowed to become pilots of fighter jets, engin…
$1.0000$
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when women were finally allowed to become pilots of fighter jets, engin…
$0.6851$
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a boat capsized and sank in a lake. based on an assumption of a mean we…
C. Because there is a high probability of overloading, the new ratings do not appear to be safe when the boat is loaded with 15 passengers.
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a boat capsized and sank in a lake. based on an assumption of a mean we…
$0.6985$
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a boat capsized and sank in a lake. based on an assumption of a mean we…
$1.0000$
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an elevator has a placard stating that the maximum capacity is 4000 lb—…
a. 0.9382 b. 1 c. The elevator is likely to be over - loaded when carrying 27 adult male passengers, so it is not very safe under these assumptions.
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an elevator has a placard stating that the maximum capacity is 4000 lb …
a. $0.9772$ b. $1$ c. The elevator is not safe for 27 adult male passengers on average.
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when a descriptive word, phrase, or clause is essential to the meaning …
D. restrictive
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assume that the amounts of weight that male college students gain durin…
$0.6957$
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assume that the amounts of weight that male college students gain durin…
$0.2087$
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read these lines from walt whitmans \song of myself.\ do i contradict m…
He is suggesting that a human being has different aspects.
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the overhead reach distances of adult females are normally distributed …
a. $0.1314$ b. $0.8159$ c. The population is normally distributed.
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in because i could not stop for death, what is the significance of the …
The phrase characterizes Death as being removed from human concerns.
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the overhead reach distances of adult females are normally distributed …
a. $0.1303$ b. $0.8166$ c. The population is normally distributed.
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assume that females have pulse rates that are normally distributed with…
c. C. Since the original population has a normal distribution, the distribution of sample means is a normal distribution for any sample size a. 0.6255 b. 0.7389
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assume that females have pulse rates that are normally distributed with…
$0.7389$
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annual incomes of statistics students are known to have a distribution …
D. No, the sample means will be normally distributed, but the sample of incomes will be skewed to the right.
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two hundred fifty - five california faculty members were surveyed regar…
1. 68 2. 174 3. 15 4. 93 5. 33 6. 130 7. 162
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the lengths of pregnancies are normally distributed with a mean of 267 …
a. B. The result suggests that either a very rare event occurred or the husband is not the father. b. 236
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the lengths of pregnancies are normally distributed with a mean of 267 …
a. B. The result suggests that either a very rare event occurred or the husband is not the father b. 236.25 days
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the lengths of pregnancies are normally distributed with a mean of 267 …
0.1922
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a common design requirement is that an environment must fit the range o…
B. The table will fit almost everyone except about 6% of men with the largest sitting knee heights.
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a common design requirement is that an environment must fit the range o…
99.99%
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a common design requirement is that an environment must fit the range o…
1. 23.4 in 2. C. The statement is true because the 95th percentile for men is greater than the 5th percentile for women 3. 94.30%
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a survey found that womens heights are normally distributed with mean 6…
The new height requirements are a minimum of 62.9 in and a maximum of 68.7 in.
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a survey found that womens heights are normally distributed with mean 6…
The new height requirements are a minimum of 65.1 in and a maximum of 68.7 in.
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a survey found that womens heights are normally distributed with mean 6…
Since most men do not meet the height requirement, it is likely that most of the characters are women.
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a survey found that womens heights are normally distributed with mean 6…
$9.01$
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a survey found that womens heights are normally distributed with mean 6…
a. B. No, because only a small percentage of women are not allowed to join this branch of the military because of their height. b. 58.4 in, 68.5 in
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a survey found that womens heights are normally distributed with mean 6…
B. No, because only a small percentage of women are not allowed to join this branch of the military because of their height.
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a survey found that womens heights are normally distributed with mean 6…
\(99.41\)
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suppose that the heart beat per minute (bpm) of adult males has a norma…
A heart rate with 90 bpm is not significantly high because it is within the range of values that are not considered significant.
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suppose that the heart - beat per minute (bpm) of adult males has a nor…
A heart rate with a bpm more than 44.5 and less than 96.3 are not significant, and values outside that range are considered significant.
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assume that adults have iq scores that are normally distributed with a …
$86.5$
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assume that adults have iq scores that are normally distributed with a …
$0.0401$
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find the indicated iq score. the graph to the right depicts iq scores o…
119
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find the indicated iq score. the graph to the right depicts iq scores o…
114
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find the area of the shaded region. the graph to the right depicts iq s…
$0.3775$
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find the area of the shaded region. the graph to the right depicts iq s…
0.2514 (assuming the boundary value \(x = 110\). If a different boundary value is given, the steps are the same but the z - score calculation will change accordingly)
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why would workers fighting the closure of a manufacturing plant be an e…
Workers' desire for jobs is evidence that they are active in the economy.
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which line best fits the data shown in the scatter plot?
C.
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graces math teacher finds that theres roughly a linear relationship bet…
The number of hours a student should spend on their homework to expect a score of 75 on the quiz.
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sleep showdown: data + art challenge name: _ date: _ 10/1/25 step 1: pl…
1. 8th - graders have more consistent sleep, as indicated by a smaller IQR. 2. 9th - graders have the widest variety of sleep hours, as indicated by a larger range. 3. There are n…
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find the indicated z - score. the graph depicts the standard normal dis…
1.18
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find the indicated z - score. the graph depicts the standard normal dis…
1.02
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find the indicated z - score. the graph depicts the standard normal dis…
\(1.39\)
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find the indicated z - score. the graph depicts the standard normal dis…
- 0.71
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find the area of the shaded region. the graph depicts the standard norm…
$0.8508$
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chee is ordering a taxi from an online taxi service. she has to pay a f…
The total charge for 1 mile.
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starting at noon, suav observed the amount of snow on his lawn during a…
The amount of snow on the lawn at 12:01 p.m.
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zendayas math teacher finds that theres roughly a linear relationship b…
The number of hours a student should spend on their homework to expect a score of 100 on the quiz.
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“meeting the spending targets in this budget meant some very difficult …
deciding what would be funded and what would be cut
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many bank accounts never go below zero. but some banks will allow a neg…
$-35.57$
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read the excerpt from the metamorphoses by ovid. the goddess was moved,…
In Baldwin’s adaptation, Pyrrha figures out the meaning of the instructions, while in Ovid’s original, Deucalion interprets the correct meaning.
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the line plot shows the lengths of 15 fish. each x represents 1 fish. w…
B. $\frac{5}{8}$ inch (There is a calculation error above, the correct calculation is $7\frac{7}{8}-7\frac{1}{8}=\frac{63}{8}-\frac{57}{8}=\frac{6}{8}=\frac{3}{4}$ inches, but amo…
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the line plot shows the amount of flour needed to complete 10 different…
A. $14\frac{1}{2}$ cups
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el costo de un viaje en taxi es de $10 por la primera milla o parte de …
B. {10, 13, 16, 19, 22, 25}