Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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games & expectation 1. a box contains ten $1 bills, five $2 bills, thre…
The expected value of the game is \(-\$12.75\). Since the expected value is not \(0\), the game is not fair.
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complete the sentence with the word that best fits the overall meaning …
pertinent
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games & expectation 1. a box contains ten $1 bills, five $2 bills, thre…
The expected value is \(-\$12.75\). Since the expected value is not \(0\), the game is not fair.
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complete the sentence with the word that best fits the overall meaning …
superfluous
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complete the sentence with the word that best fits the overall meaning …
intangible
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games & expectation 1. a box contains ten $1 bills, five $2 bills, thre…
The expected value of the game is \(-\$12.75\). Since the expected value is not \(0\), the game is not fair.
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complete the sentence with the word that best fits the overall meaning …
tiff
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activists assert that slavery persists today, even in countries where i…
Legal entitlement to a right does not guarantee true access to that right.
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3. rish florist determines the probabilities for the number of flower a…
a. Mean ($\mu$) = $7.8$, Variance ($\sigma^{2}$) = $1.56$, Standard deviation ($\sigma$) $\approx1.25$; b. Approximately $55$ arrangements.
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complete the sentence with the word that best fits the overall meaning …
a dauntless
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2. the bank of america vp feels that each savings account customer has,…
a. Mean \(\mu = 1.34\), Variance \(\sigma^{2}=0.9244\), Standard deviation \(\sigma\approx0.9615\) b. The VP is not correct.
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complete the sentence with the word that best fits the overall meaning …
prosperous
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complete the sentence with the word that best fits the overall meaning …
a virtuosic
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1. from past experience, a company has found that in carton of transist…
a. The probability distribution is: | \(X\) | \(P(X)\) | | ---- | ---- | | \(0\) | \(0.92\) | | \(1\) | \(0.03\) | | \(2\) | \(0.03\) | | \(3\) | \(0.02\) | b. - Mean \(\mu = 0.15…
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complete the sentence with the word that best fits the overall meaning …
conclusive
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how does the use of imagery create meaning? \payah kun,\ said the eldes…
The imagery emphasizes the compassion and authority of the Eldest Magician.
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complete the sentence with the word that best fits the overall meaning …
forage
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make an inference what do bce and ce refer to? * bce is before the comm…
- First question: BCE is before the common year 0 and CE is after the common year 0. - Second question: 100 BCE. - Third question: They appreciated his bravery and victories in ba…
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which phrases from the passage are examples of imagery? check all that …
- "he breathed upon the great rocks and lumps of earth" - "the Moon rose big and full over the water" - "Hol Fisher of the Moon"
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what does the word minutiae mean? unimportant or trifling details negot…
unimportant or trifling details
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which two data sets appear to be normally distributed?a. value 5 10 15 …
A. Dataset A, C. Dataset C
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what does the word bellicose mean? generous selfish productive hostile
hostile
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3. construct a probability distribution for the data and draw a histogr…
### Part a | \(X\) | \(P(X)\) | | ---- | ---- | | \(1\) | \(\frac{1}{2}\) | | \(2\) | \(\frac{1}{6}\) | | \(3\) | \(\frac{1}{12}\) | | \(4\) | \(\frac{1}{12}\) | | \(5\) | \(\frac…
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this graph shows the heights of 50 17 - year - old male students. heigh…
C. 174 - 181
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\i cant-we must-i mean it is impossible for me to marry nwekes daughter…
B. Men hold power over women. C. Women are not treated as equal. D. Women's roles are defined by men.
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what does the word beneficent mean? following a strict code of conduct …
performing acts of kindness
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what does the word synchronize mean? to arrange for things to be moved …
to arrange things to happen at the same moment
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what does the word secede mean? to judge the legality of an issue to un…
to leave an association and become independent
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3 of 4 read the sentences from the section \how does balance work?\ whi…
baffling
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2. determine if the following are probability distributions (if no, sta…
a. Yes, it is a probability distribution. b. Yes, it is a probability distribution. c. No, because \(P(X = 20)=1.1>1\) (violates \(0\leq P(X)\leq1\) condition).
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what does the word conjunct mean? united in decline gone away pulled ap…
united
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in 2016, 3.76 million spectators attended car races worldwide. in 2019,…
a. The equation is \(y = 0.12x+3.76\). b. The number of spectators in 2022 is \(4.48\) million.
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what does the word prolific mean? expressive or well - spoken careful o…
productive or fruitful
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use compensation to make numbers that are easier to add. then solve. sh…
1. \(26 + 6 = 32\) (mediante \(27+5 = 32\)) 2. \(17 + 19 = 36\) (mediante \(18+18 = 36\))
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what does the word diction mean? the manner and style in which a partic…
the manner and style in which words are chosen for use in speech or writing
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what does the word perjury mean? the tactic of deceiving an enemy the r…
the crime of lying under oath
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what does the word congregate mean? to design or manufacture goods to a…
to assemble in large numbers
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julissa and lihana are trying out for the lead in the play the lead wil…
C. Julissa, with an overall score of 91
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what does the word credibility mean? the quality of being convincing th…
the quality of being convincing
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question 10 (1 point) john rolled a six sided die with the following re…
$3.35$
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question 9 (1 point) which measure of the \center\ for data can be used…
Mode
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what does the word malignant mean? escaping to another location trying …
causing harm or suffering
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question 8 (1 point) in a sample of 25 households, one house is worth $…
The median is the better measure of the "center" than the mean because the $900,000 is an outlier.
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question 7 (1 point) suppose that in a small town of 20 people, one per…
The Median. The median gives the center value of the data when ordered and would better represent the typical salary for people in the town as 19 people earn $20,000 and the one p…
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question 6 (1 point) the scores for an exam in a math course are as fol…
\(78\)
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question 5 (1 point) the scores for an exam in a math course are as fol…
\(76.75\)
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question 4 (1 point) aids data indicating the number of months a patien…
\(9\)
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discrete probability distributions worksheet 1. you flip four coins. le…
a. \(S=\{HHHH, HHHT, HHTH, HTHH, THHH, HHTT, HTHT, HTTH,\\THHT, THTH, TTHH, HTTT, THTT, TTHT, TTTH, TTTT\}\) b. \(X = 0,1,2,3,4\) c. Discrete d. | \(X\) | \(P(X)\) | |---|---| | \…
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aids data indicating the number of months a patient with aids lives aft…
\(10\)
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question 2 (1 point) aids data indicating the number of months a patien…
\(8\)
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use the information to answer the question. a data set is normally dist…
\(16\)
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question 1 (1 point) aids data indicating the number of months a patien…
\(8.38\)
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discrete probability distributions worksheet 1. you flip four coins. le…
a. It is a probability distribution. b. It is a probability distribution. c. It is not a probability distribution because \(P(X = 20)=1.1>1\) (and sum of probabilities \(=2.5 eq1…
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choose the correct answer. when conducting a population sampling study,…
approximately the same number each time
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to ensure accuracy every time you sample a population, which of these s…
collect individuals randomly
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choose the correct answer. when conducting a population sampling study,…
Collect approximately the same number each time.
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12. extension: describe a situation that could be modeled with a venn d…
The probability of at least two (intersection of the two sets in the Venn - diagram context) is \(\frac{4}{15}\)
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using friendly percents to solve problems how many text messages do you…
\(3000\)
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what term is used today to mean the colleges that were started for afri…
C. Historically Black Colleges and Universities
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the table shows the results of a survey about after - school activities…
21
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wayne recorded the eye colors of the people who have already signed up …
\(\frac{3}{7}\)
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the result of a survey rating if 1,200 students participated in the sur…
300 students
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2 homework the table below shows the frequency distribution of the rain…
B.
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the table shows the results of a survey to choose a new school mascot. …
\(400\div10\)
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a security systems contractor has the contract for installing the secur…
120 78
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11. ackerman and goldsmith (2011) report that students who study from a…
a. Null hypothesis: The population mean exam score of students studying from an electronic screen is equal to the population mean exam score of the general population (\(H_0:\mu =…
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the frequency distribution below represents frequencies of actual low t…
A.
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question 1 3 pts there are 8 seats in the front row of a popular englis…
Question 1: \(51891840\) Question 2: \(1024\)
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the following text is from yann martels 2001 novel life of pi. the narr…
A. Extended
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10. the personality characteristics of business leaders (e.g., ceos) ar…
We fail to reject the null hypothesis \(H_0\). There is not enough evidence at the \(\alpha = 0.05\) level to conclude that the company's business leaders' openness to experience …
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how do you construct a distribution of sample means? collect all possib…
A. Collect all possible random samples of the same size from the population, calculate the mean of each sample, and plot these means to form the distribution
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chapter 4 managing stress and coping with loss lesson 2 managing stress…
1. relaxation response 2. chronic stress 3. technique
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question 4 of 5 tina sells a candy bar of $1.05 which includes 8% sales…
C. No, because while $0.75 + $0.30=$1.05, 8% sales tax means Tina has to send $.08 for each candy bar to the state
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get enough sleep eat junk food 4 multiple choice 1 point according to o…
Ability to recover/bounce back from disappointment or difficult situations
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post-reading quick check directions on the line provided before each st…
9. T 10. F, extended family 11. T 12. F, family of orientation 13. F, nuclear family 14. stranger (or outsider) 15. polygamy 16. monogamy
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1 did u hear about the rose that grew from a crack in the concrete prov…
The phrase "the rose that grew from concrete" figuratively represents an individual (or a group) who has overcome great adversity. It symbolizes the human spirit's ability to thri…
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an animal is randomly selected from this table. what is the probability…
\(\frac{5}{8}\)
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an animal is randomly selected from this table. what is the probability…
\(\frac{2}{11}\)
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a student is randomly selected from this table. what is the probability…
\(\frac{2}{7}\)
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a student is randomly selected from this table. what is the probability…
\(\frac{5}{16}\)
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an animal is randomly selected from this table. what is the probability…
\(\frac{2}{5}\)
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what is the difference between verbal irony and situational irony? (1 p…
Verbal irony is when someone says the opposite of what they mean, while situational irony is when the expected outcome of an event defies normal expectations.
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a student is randomly selected from this table. what is the probability…
\(\frac{5}{28}\)
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a student is randomly selected from this table. what is the probability…
\(\frac{7}{11}\)
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tupac shakur (1971 - 1996) was an african american rapper, actor, poet,…
Figuratively, "the rose that grew from concrete" represents an individual (or a group) who overcomes great odds (like the harsh, un - nurturing environment of concrete) to thrive,…
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how does the authors use of the underlined words create meaning? the im…
The imagery explains why the fisherman is distraught.
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this graph shows the altitude of a bird over time. what is the slope of…
The slope is \(-500\). This means that the bird descends \(500\) m each minute.
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bell ringer 1. archetype 2. characterization 3. theme 4. inference 5. f…
1. Mentor 2. Hero 3. Trickster 4. Sidekick 5. Villain 1. direct 2. indirect 1. direct 2. indirect 3. indirect 4. direct 5. indirect
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consider the following venn diagram, depicting the data from a survey o…
a) \(42\) b) \(65\) c) \(221\) d) \(14\) e) \(36\) f) \(81\)
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what is the probability that either event a or event b will occur? star…
$\frac{15}{17}$
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what is the probability that both events b and c will occur? p(b)=\\fra…
\(\frac{9}{20}\)
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what is the probability that both events b and c will occur? now, find …
\(\frac{3}{5}\)
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choose the correct answer. what does it mean when a population has a ne…
The size of the population is decreasing.
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consider the following venn diagram, depicting the data from surveying …
a) \(30\) b) \(8\) c) \(7\) d) \(39\) e) \(62\) f) \(53\)
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determining if events are independent the 154 tenth - graders at wilson…
The probability that a randomly - chosen tenth - grader is male is \(\frac{40}{77}\). The probability that a randomly - chosen tenth - grader is male given that the tenth - grader…
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at a high school, 84 students play video games during their free time. …
161
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during world war i, victory gardens were an example of which of the fol…
US government propaganda aimed at conserving food
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question 3 3 pts in 2019, 166,459 people (tourists and locals) attended…
223502
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a beachgoer is observing the ocean from afar. they observe a bird divin…
The y - intercept of \( B(x) \) is \((0,1)\). This means that the bird was 1 meter above sea level when the beachgoer begins watching.
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practice calculating and applying conditional probabilities. what state…
The first statement: The conditional probability formula is \(P(X|Y)=\frac{P(X\cap Y)}{P(Y)}\), the third statement: The notation \(P(R|S)\) indicates the probability of event \(R…