Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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first read: concept vocabulary identify the choice that best answers th…
A. She puzzled over different possibilities for a conclusion.
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first read: concept vocabulary identify the choice that best answers th…
D. desire to know or learn
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andrea rolls a number cube twice. she determines p(even, then odd) = 1/…
Andrea's solution is incorrect. The probability of each simple event is \(\frac{1}{2}\). The probability of the compound event is less than the probability of either event occurri…
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calculating the probability of independent events three coins are flipp…
$\frac{1}{8}$
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you pick a card at random. 3 4 5 6 what is p(odd or prime)? simplify yo…
$\frac{1}{2}$
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you roll a 6 - sided die. what is p(prime)? write your answer as a perc…
50%
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you spin the spinner once. what is p(not factor of 25)? write your answ…
75%
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8. find the sample standard deviation of the following set of scores, c…
# Explicación: ## Paso1: Calcular la media La media $\bar{x}=\frac{3 + 20+15 + 10+13+20+5+20+5+20}{10}=\frac{141}{10}=14.1$ ## Paso2: Calcular las diferencias al cuadrado $(3 - 14…
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8. find the sample standard deviation of the following set of scores, c…
$4.62$
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6b on his sixth attempt, the diver scores 9.0. this score will: the cor…
A. Increase the mean and increase the standard deviation
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6. the scores of five diving attempts by a professional diver are recor…
# Explicación: ## Paso 1: Calcular la media La media $\bar{x}=\frac{6.7 + 6.9+6.7 + 5.4+6.9}{5}=\frac{32.6}{5}=6.52$ ## Paso 2: Calcular las diferencias al cuadrado $(6.7 - 6.52)^…
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question 11 0.5 pts the compromise of 1850: permitted popular sovereign…
Permitted popular sovereignty in the Utah and New Mexico territories
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according to the box plot, in which quarter are the results the most sp…
# Explicación detallada: Un diagrama de caja muestra la mediana, los cuartiles (primer, segundo y tercer cuartil) y los valores extremos de un conjunto de datos. La mediana se rep…
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5. the glass windows for an airplane are cut to a certain thickness, bu…
# Explicación: ## Paso 1: Comprender la estructura del diagrama de caja En un diagrama de caja, el primer cuartil ($Q_1$), la mediana ($Q_2$) y el tercer cuartil ($Q_3$) dividen l…
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a spinner contains 3 equal sections: one red, one yellow, and one blue.…
$\frac{1}{9}$
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two events, a and b, are independent. if p(a) = 0.3 and p(b) = 0.2, wha…
$0.06$
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which events are independent? check all that apply. rolling two number …
rolling two number cubes at the same time choosing a card, and then flipping a coin drawing a marble from a bag, replacing it, then drawing another marble flipping the same coin t…
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which statement correctly describes dependent events? two events are de…
Two events are dependent if the outcome of the first event affects the outcome of the second event.
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for the box plot shown below, find each of the following: lets try that…
# Explicación: ## Paso 1: Encontrar el mínimo El mínimo es el valor más pequeño en el conjunto de datos, que se representa por la punta izquierda del bigote izquierdo en el diagra…
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math and graphing tutorial transcript on april 1, the price of gas at b…
Between April 1 and May 1, Bob's price increased by $\$0.5$, or approximately $10.1\%$. Between May 1 and June 1, Bob's price decreased by $\$0.5$, or approximately $9.2\%$. The d…
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document #3: professor hansen mogens herman hansen was a professor of p…
1. Mogens Herman Hansen was a professor of philology and classics at the University of Copenhagen, a leading expert on Athenian democracy, who retired in 2010. Strengths: Authorit…
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read the excerpt from the love song of j. alfred prufrock. do i dare di…
The speaker believes he cannot change his environment in a positive way.
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which of the following best describes the authors exigence in the passa…
D. The question of how to lead a meaningful life "in a transitional period" (paragraph 9, sentence 1)
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read the excerpt from the love song of j. alfred prufrock. i shall wear…
A. He does not think women find him attractive.
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tasks pick one senate and one house committee and describe what it does…
1. Senate Finance Committee: Deals with taxation, tariffs, Social Security, and Medicare. 2. House Ways and Means Committee: Manages taxation, trade, and entitlement programs. 3. …
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read the excerpt from ovids pyramus and thisbe. and may you, mulberry, …
B. A tree is given symbolic meaning.
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create a box - and - whisker graph with the following wages (dollars pe…
Median \(=19\), Q1 \(=11\), Q2 \(=19\), Q3 \(=24.5\), Q4 \(=30\), Range \(=25\)
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7. for each statement, decide whether it is descriptive or inferential.…
(a) Descriptive (b) Inferential (c) Descriptive (d) Inferential (e) Descriptive
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one of the growers is excited by the price increase caused by the bligh…
Before Blight: (No data provided to calculate, but conceptually we know the relationship). After Blight: Total revenue will increase. So the grower's claim that the price increase…
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one of the growers is excited by the price increase caused by the bligh…
The grower's claim is correct because the price elasticity of demand between $15 and $18 per bushel is 0.61 (in - elastic), and an increase in price in the in - elastic range of t…
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the table below shows the altitude of a plane once it begins its descen…
a) $y=-2119.42x + 28500$ b) $11544.64$ c) $13.44$
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story elements narration, characters, diction, mood, narrative techniqu…
1. **Rewrite/Extension**: - As Mrs. Mallard stood there, looking out of the window, a soft knock came at the door. It was her sister Josephine. "Louise, dear," she said gently, "a…
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what is the connotation of a word? (1 point) a word that has more than …
D. The feeling a word evokes besides its literal meaning
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what is the denotation of a word? (1 point) a word that has more than o…
C. The dictionary definition of a word
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6. the result of a survey that ranks a product from 1 to 10 has a stand…
$7.95$
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5 multiple choice 1 point our conscious experience (awareness of what w…
5. D. Short - term memory 6. D. semantic memory
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3 multiple choice 1 point what \magic number\ did george a. miller of h…
3. C. 7 4. A. chunking
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5. a set of test scores has a mean of 82. if you earned a 90% on the te…
5
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2. what is the z - score of a value of 115 with a mean of 100 and a sta…
2. The z - score is 0.75. 4. The weight of the baby is 7.3 lbs.
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an automobile manufacturing plant produced 32 vehicles today: 14 were t…
0.042
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in a survey, 18 people reported the number of hours they spent on the i…
| Number of hours | Relative frequency | | ---- | ---- | | 2 to 7 | 0.07 | | 8 to 13 | 0.27 | | 14 to 19 | 0.40 | | 20 to 25 | 0.27 |
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roman republic part 4: julius caesar 1. which region did caesar annex t…
1. Gaul 2. For glory, resources, and border - security 3. Personal ambition, economic gain, political power - building 4. Pompey 5. Cleopatra 6. Land distribution for veterans, ec…
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all scenarios are normally distributed. 1. what is the z - score of a v…
1. The z - score is - 2. 2. The price of the dress is $\$135$.
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of the people who fished at clearwater park today, 64 had a fishing lic…
$\frac{1}{5}$
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students at a major university in southern california are complaining o…
$10.2$ miles
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on a particular day, a restaurant that is open for lunch and dinner had…
(a) \(0.25\) (b) \(0.69\)
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d) a set of exam scores has a z - score of -0.4 with a standard deviati…
81.8
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three coins are flipped. the possible results are shown in the tree dia…
$\frac{3}{8}$
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c) the cost of sandals has a mean of $18.30. if the z - score for a $23…
$3$
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question 1 imagine the data on a graph has a mean (μ = 50) and a standa…
Score that is two standard deviations above the mean: 70 Score that is one standard deviation below the mean: 40 Score that is two standard deviations below the mean: 30 Score tha…
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if the mean temperature of a city is 84.6 with a standard deviation of …
94.1
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a) a market researcher is analyzing the results of a customer survey th…
$0.5$
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question 10 the number of magnitude 5 or larger earthquakes in alaska f…
a) $0.0397$ b) $0.3260$ c) $0.2059$ d) $0.2599$
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directions: fill - in the following chart with two exan scene the examp…
| Convention | Definition | |--|--| | verbal irony | When a speaker says one thing but means the opposite. | | dramatic irony | When the audience knows more than the characters in…
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standard normal distribution z - score the normal distribution with a m…
(a) standard deviations; (b) mean; (c) $\sigma$; (d) $\frac{x-\mu}{\sigma}$
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question 10 5 pts a surplus in the market means o not enough production…
Qs>Qd
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question 5 approximately 11% of all people are left - handed. consider …
c) Mean: 2.75 d) Standard deviation: 1.56
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question 11 which of the following is true about \well of moses\ by cla…
It was originally known as The Great Cross It was meant to inspire the prayer of the monks It includes prophets, angels, and Christ
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which of the following is not true about this painting? giovanni arnolf…
A. Giovanni Arnolfini's wife was pregnant with their first child at the time of this painting.
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5. the box plot represents the number of first cousins that a group of …
a. 12 b. 6 c. Yes
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in this problem, round to four decimals when possible. 79% of all ameri…
a. \(0.4237\) b. \(0.6797\) c. \(0.7152\) d. \(0.9477\)
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in this problem, round to four decimals when possible. 77% of all ameri…
a. $P(X = 14)=C(n,14)\times(0.77)^{14}\times(0.23)^{n - 14}$ b. $P(X\leq11)=\sum_{k = 0}^{11}C(n,k)\times(0.77)^{k}\times(0.23)^{n - k}$ c. $P(X\geq20)=1-\sum_{k = 0}^{19}C(n,k)\t…
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6. let (j(x)=sqrt{x + 1}). find (j^{-1}). 7. let (g(x)=2x^{3}-5). write…
\(j^{-1}(x)=x^{2}-1,x\geq0\) ### 7.
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6. let (y(x)=sqrt{x + 1}). find (y^{-1}). 7. let (g(x)=2x^{3}-5). write…
1. \(y^{-1}=(x - 1)^2,x\geq1\) 2. \(h(x)=\sqrt[3]{\frac{x + 5}{2}}\) 3. a. \(h\) b. \(g\) c. \(f^{-1}(g)=\frac{g^{2}+1}{2},g\geq0\) 4. \(t = f^{-1}(c)\) represents the number of h…
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25% of all college students major in stem (science, technology, enginee…
a. Approximately \(0.130\) b. Approximately \(0.786\) c. Approximately \(0.557\) d. Approximately \(0.341\)
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text - dependent questions directions: for the following questions, cho…
1. The "roads" symbolize life - choices. 2. B. The speaker admits that the two roads were actually similar, suggesting that one choice was not clearly better than the other. 3. C.…
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a) state the random variables. rv x = the length of metacarpal of a ran…
b) $r = 0.372$ c) $r^{2}=0.138$
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which of the following most clearly illustrates the meaning of burden? …
First question: Tim carried a great weight of sorrow. Second question: blameworthiness; guilt or blame that is deserved
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according to the author of \the moral logic of survivor guilt,\ which i…
First question: Moral character is expressed in feelings, not just actions. Second question: soldiers' strong feelings of attachment to each other
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if a seed is planted, it has a 37% chance of growing into a healthy pla…
a. \(X\sim B(50,0.37)\) b. \(0.0533\) c. \(0.9131\) d. \(0.1402\) e. \(0.7739\)
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question 4 what is the meaning of \tumulus\ in paragraph 5? a. dent b. …
C. mound
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25% of all college students major in stem (science, technology, enginee…
a. $0.133$ b. $0.898$ c. $0.554$ d. $0.342$
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question 11 1 point arnold drives his car for his job. the equation r =…
The R - intercept, 23, means that if Arnold drove 0 miles he would be reimbursed 23 dollars.
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read this excerpt from chapter 2 of the scarlet letter using comprehens…
The speaker believes that the magistrates have been too strict in their handling of Hester's case.
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multiple select question select all that apply when we choose to work l…
D. we emphasize leisure over specified earnings.
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which scenario depicts two independent events? the school play opens to…
The school play opens tonight and it is raining.
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in this problem, round to four decimals when possible. 79% of all ameri…
a. $0.1499$ b. $0.5886$ c. $0.7873$ d. $0.9585$
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a six - sided number cube is rolled twice. what is the probability that…
\(\frac{1}{6}\)
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in this problem, round to four decimals when possible. 79% of all ameri…
a. $0.1597$ b. $0.6777$ c. $0.6877$ d. $0.9597$
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all freshmen, sophomores, juniors, and seniors attended a high school a…
$\frac{11}{320}$
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which line plot represents this data? 2, 3, 4, 2, 5, 3, 1, 4, 3, 2, 6, 3
1: 1 2: 3 3: 5 4: 2 5: 1 6: 1 (Count the number of times each value appears in the data - set 2, 3, 4, 2, 5, 3, 1, 4, 3, 2, 6, 3 to match with the correct line - plot structure. W…
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multiple select question select all that apply which of the following p…
Someone who hasn't worked in four weeks but who sent out 3 - 4 resumes last week
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1. the function c = f(p) represents the cost, c, to get p photos printe…
It costs 15 units of currency to print 45 photos. ### 2.
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a bag contains eleven equally sized marbles, which are numbered. what i…
\(\frac{6}{11}\)
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a student with a score of 90 on the above test would be in what percent…
1. A student with a score of 90 on the above test would be in what percentile? - The given answer is 97th. 2. Which of the following scores would be within one standard deviation …
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76% of all bald eagles survive their first year of life. give your answ…
a. $0.147$ b. $0.554$ c. $0.787$ d. $0.827$
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76% of all bald eagles survive their first year of life. give your answ…
a. $0.149$ b. $0.544$ c. $0.771$ d. $0.868$
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a survey is taken of 90 randomly selected americans asking them, \do yo…
true
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score: 0/15 answered: 0/8 question 1 ten cards are selected out of a 52…
A. false
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multiple select question select all that apply when we choose to work l…
C. we emphasize leisure over specified earnings
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ii. synonyms: choose the word from this unit that is the same or most n…
1. Disease (a general word for an illness) 2. Annoyed (similar to irritated) 3. Trained (close in meaning to bred in the context of developing a quality) 4. Arid (can describe an …
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multiple choice question which of the following people definitely would…
Someone who didn't work during the last week and who interviewed for a job two weeks ago
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assume that when human resource managers are randomly selected, 41% say…
0.0992
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multiple choice question which of the following people definitely would…
None of the above options are definitely classified as unemployed.
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ten cards are selected out of a 52 card deck without replacement and th…
false
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multiple choice question which of the following people definitely would…
Someone who didn't work during the last week and who interviewed for a job two weeks ago
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multiple choice question transfer payments are not included in gdp beca…
are not made in exchange for current goods and services.
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choose the best spanish equivalent to the phrase. ¿qué te falta? me fal…
None of the options are the best equivalent. "¿Qué te falta?" means "What's missing for you?" or "What do you lack?". The options provided are statements about something being mis…
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choose the best spanish equivalent to the phrase. ¿qué te falta? ○ me f…
None of the options provided are the best equivalent to "¿Qué te falta?". The question "¿Qué te falta?" means "What's missing from you?" or "What do you lack?". The options given …
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in this problem, round to four decimal places. consider the discrete ra…
$\mu = 10.8900$ $\sigma^{2}=30.2779$ $\sigma = 5.5025$ The expected value of $X$ is $10.8900$