统计与概率
数据分析、概率分布、假设检验与统计方法。
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olivia is choosing a pair of socks and a pair of shoes. for the socks, …
8
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question 30 of 50 if 15% of college students own a television, and 10% …
True
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olivia is choosing a pair of socks and a pair of shoes. for the socks, …
The sample space (all possible outcomes) is: {(Red, Sandals), (Red, Loafers), (Red, Sneakers), (Red, Boots), (Blue, Sandals), (Blue, Loafers), (Blue, Sneakers), (Blue, Boots)}. Fi…
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olivia is choosing a pair of socks and a pair of shoes. for the socks, …
The table on the Left (with rows "Red", "Blue" and columns "Sandals", "Loafers", "Sneakers", "Boots")
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a lunch special offers the following choices for its sides: salad, frui…
$\frac{1}{4}$
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a lunch special offers the following choices for its sides: salad, frui…
4
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the histogram to the right shows the times between eruptions of a geyse…
A. one peak, symmetric, low variation
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the decline of the popularity of the silk road _______. a. led to the e…
B. encouraged exploration and the discovery of new trade routes
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the numbers of words defined on randomly selected pages from a dictiona…
A. The median is 65.5 (Round to one decimal place as needed)
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the numbers of words defined on randomly selected pages from a dictiona…
A. The mean is \(65.3\) (Round to one decimal place as needed )
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question 7 of 10 what theme common to kafkas time period was featured i…
A. The boredom that results from working a meaningless job
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read the quote. what is the meaning of situation as it is used in this …
D. a combination of events & conditions
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which two sentences have the same meaning? i always listen when my dad …
I always grin when my dad tells silly jokes, I always smile when my dad tells silly jokes
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question 8 of 10 read this passage: on the wall exactly opposite there …
A. admiration
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question 7 of 10 read this passage: as gregor samsa one morning from re…
B. The words do not correctly reflect Kafka's intended meaning.
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question 3 of 10 according to some scholars, what is the connotative me…
C. Jewish people, such as Kafka, were often persecuted and referred to as that word.
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read the source of the allusion. in the bible, solomon, a king of israe…
a person who gives good advice
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what is the meaning of the allusion in the sentence below? lara had her…
B. a temporary moment of celebrity status
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joseph heller coined the term \catch-22\ in his 1961 novel of the same …
B. a no - win situation
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read the source of the allusion. beginning with sir thomas more in 1516…
an ideal place
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read the source of the allusion. in a j. m. barrie novel, the character…
a person who won’t take on adult responsibilities
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thousands of chinese laborers immigrated to the united states in the 18…
a person making false promises
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rewrite the following expressions as a formula that can be typed into e…
A. \(=(3 - 4)/6 + 8\)
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read the source of the allusion. the ancient roman scholar pliny the el…
A. In a concise way
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read the source of the allusion. in the bible, job complains to god abo…
just barely
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question 10 of 10 read this passage: stephen often thought of elizabeth…
A. extremely lovely
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2. engel has to make a 5-digit passcode from six different digits--1, 2…
6
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read the source of the allusion. in greek mythology, a mythical bird ca…
to come back after destruction or defeat
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question 9 of 10 what does the paint - by - numbers metaphor imply abou…
C. The translator is putting the words of the original author in a new language and not making any decisions or changes.
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question 8 of 10 when translating an original work into another languag…
B. makes the content easily understandable in a new language while also keeping the basic ideas of the original text the same.
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read the source of the allusion. in william shakespeares romeo and juli…
a man who is very romantic
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question 7 of 10 why are some words difficult to translate? a. the word…
C. The words are unique to a specific culture or way of thinking.
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read the source of the allusion. lewis carrolls alices adventures in wo…
on a strange or difficult exploration
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2. engel has to make a 5-digit passcode from six different digits—1, 2,…
6
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read the source of the allusion. in greek mythology, the greek army tri…
a deceptive or harmful offering
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read the source of the allusion. the novella a christmas carol, by char…
a person who isn't generous
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in 1887, a person sold a house to a lady for $30. if the lady had put t…
\( 54241 \)
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read the source of the allusion. kryptonite, matter from supermans home…
a source of weakness
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read the source of the allusion. in the bible, moses parts the red sea …
to open up a path
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question 2 of 10 read this sentence: devon was nervous at the thought o…
A. Worried
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question 19 of 20 read these lines from \musee des beaux arts\ by w. h.…
C. The reference helps illustrate how suffering occurs when no one is watching.
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choose the correct answer below a. an installment loan is an amount of …
B. An installment loan is a loan that is paid off with equal regular payments ### Second Question (Loan Payment Formula)
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what is an installment loan? explain the meaning and use of the loan pa…
B. An installment loan is a loan that is paid off with equal regular payments
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we often deal with weighted means, in which different data values carry…
(for part b): The student would need to earn a minimum grade of A- (or A, but A- is the minimum). Wait, but let's check the calculation again. Wait, maybe I messed up the total cr…
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question 2 of 20 what is the implicit meaning of this passage? nick bum…
A. Nick trusts Arif.
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the histogram in the figure shows times between eruptions of a geyser. …
C
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consider the distribution of the numbers of people whose street address…
D. The distribution would probably be symmetric because there are no obvious factors to indicate that any single digit would occur as the last digit more frequently than any other…
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consider the distribution of the numbers of people whose street address…
D. The distribution would probably be symmetric because there are no obvious factors to indicate that any single digit would occur as the last digit more frequently than any other
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consider the distribution of the numbers of people whose street address…
## Part (a) C. There would probably be no peaks. When all street addresses are considered, the distribution of the last digit tends to be uniform. ## Part (b) A. (The graph with t…
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consider the distribution of the numbers of people whose street address…
C. There would probably be no peaks. When all street addresses are considered, the distribution of the last digit tends to be uniform
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express the following number in scientific notation. 4,500,000 4,500,00…
$4.5\times10^{6}$
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consider the exam scores for 59 students when 7 students scored between…
i) B. The distribution would probably be left - skewed because the scores are more spread out on the left side of the mode ii) B. The variation would probably be large because man…
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consider the exam scores for 59 students when 7 students scored between…
B. The distribution would probably be left - skewed because the scores are more spread out on the left side of the mode
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consider the exam scores for 59 students when 7 students scored between…
D. There would probably be one peak because there are no obvious reasons why the exam scores would form different groups ### Part b
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consider the exam scores for 59 students when 7 students scored between…
A. There would probably be two peaks, because even though each exam score could be anywhere between 0 and 100, the scores were clustered between 80 to 89 and between 70 to 79
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question 10 1 pts which of the following cause the unemployment rate as…
unemployed persons falsely report themselves to be actively looking for a job
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which of the following is not one of the three sources of technological…
- First question: additional amounts of existing capital - Second question: diminishing returns
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the following data give the margin of victory for a football championsh…
A. The mean without the outlier is 8.4
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the following data give the margin of victory for a football championsh…
a) The mean is 10.0, the median is 8. b) A. The outlier is 31. If the outlier (31) is eliminated, the new mean is 8.5 and the new median is 7. (Note: For part b, the outlier ident…
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the following data give the margin of victory for a football championsh…
The mean is \(\boldsymbol{10.0}\) (rounded to the nearest tenth) and the median is \(\boldsymbol{8}\). (For part (a) of the question, the mean is 10.0)
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the following data give the margin of victory for a football championsh…
# Explanation: ## Step1: Sum the data values First, we list the data points: 15, 4, 4, 10, 11, 31, 3, 25, 8, 4, 3, 4, 6, 14, 8. Let's sum them up. \[ \begin{align*} &15 + 4 + 4 + …
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identify a pattern in the given list of numbers. then use this pattern …
\(40\)
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a relief worker needs to divide 750 bottles of water and 324 cans of fo…
125 boxes with 6 bottles of water each and 54 boxes with 6 cans of food each
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the numbers of words defined on randomly selected pages from a dictiona…
- Mean: A. The mean is 43.9 (Round to one decimal place as needed.) - Median: A. The median is 38.5 (Round to one decimal place as needed.) - Mode: B. There is no mode
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the numbers of words defined on randomly selected pages from a dictiona…
A. The median is \(38.5\)
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the numbers of words defined on randomly selected pages from a dictiona…
A. The mean is \( \boldsymbol{43.9} \) (Round to one decimal place as needed)
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what are outliers? describe the effects of outliers on the mean, median…
B. An outlier in a data set is a value that is much higher or much lower than almost all other values. An outlier can change the mean of a data set, but does not affect the median…
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choose the correct description of the median below a. the median is the…
B. The median is the middle value in a data set. It is not affected by outliers ### Second Question (Mode):
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select the word or phrase that is redundant and can be removed without …
and important
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if the wrong word is used below, change it. if there is no error, click…
Submit (since there's no error in the word "allusion" here; it correctly means an indirect reference to the New Testament in the context of Krusty the Clown's letter)
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the box-and-whisker plot below represents some data set. what is the va…
28
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the table displays the scores of students on a recent exam. find the me…
\(84.8\)
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the dot plot below represents the number of goals scored by the boys so…
1
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read the following sentence: the famous couples behavior at parties and…
B. put an end to
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based on the following calculator output, determine the population stan…
\(10.05\)
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based on the scatter plot below, which is a better prediction for y whe…
7 (assuming the scatter plot's points at x = 4 have y - values around this range. If there were options, this would be the reasonable prediction)
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the table provided below shows paired data for the heights of a certain…
D. No, there does not appear to be a correlation because there is no general pattern to the data.
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i hope you dont mind my telling you a great deal about roberta. the mor…
C. The author thinks Roberta is very kind.
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read this excerpt from a passage. in 2010, a research team at the unive…
C. Implementing later start times.
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use the formula for $_{n}c_{r}$ to evaluate the given expression. $_{8}…
56
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the table shows the outcome of car accidents in a certain state for a r…
The probability as a decimal is 0.174 The probability as a fraction is \( \frac{458}{2627} \)
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what is the percent of increase from 2.5 to 2.5? round your answer to t…
$0.0\%$
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the equation for the line of best fit is $y = \\frac{1}{5}x + 3$. accor…
A typical student already knows approximately 3 digits of pi.
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question a new car is purchased for 20700 dollars. the value of the car…
\(6125.13\)
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the prophet kahlil gibran love gives naught but itself and takes naught…
A. Love is the greatest of all human experiences. (Note: Assuming the first option is labeled A, as per the selected radio button in the image) ### Question 17 (Response supported…
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express the following probability as a simplified fraction and as a dec…
$\frac{83}{249}$ 0.33
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use the compound interest formula to compute the balance in the followi…
$\$16839.32$
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review the passage. the simile is shown in bold. my mom sighs. \we cant…
It suggests that the narrator's mother is persuasive.
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the given bar graph shows the percentage of gross domestic product (gdp…
a. Underestimates by 0.4% b. 2022
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use quadratic regression to find the equation for the parabola going th…
The quadratic equation is \( y = 1x^2 - 12x + 15 \), so the coefficient of \(x^2\) (the value in the first box) is \(1\).
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use quadratic regression to find the equation for the parabola going th…
The quadratic equation is \( y = 5x^2 - 11x - 31 \), so the coefficient of \( x^2 \) is \( \boldsymbol{5} \).
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the following list gives the number of pets for each of 15 students: 3,…
\(1\)
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hours of practice the dot plot shows the number of hours each week that…
from 0 to 4
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distance from school in blocks wynn needs to find the center of the dat…
The dot plot has \(\boldsymbol{22}\) dots. The dot plot has \(\boldsymbol{11}\) dots to the left of the center and \(\boldsymbol{11}\) dots to the right of the center. The center …
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times riding a roller coaster you asked amusement park visitors the que…
4
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identify the correlation coefficient r that is most likely to correspon…
r = 0.01
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the scatter plot below shows data points and the line of best fit. iden…
Moderate or weak negative association
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read the excerpt from osa\ by rita dove. how she stood up when they ben…
It breaks apart the actions in the story to stress the importance of a moment.
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a jeweler put these gemstones out on display today. (a) build a diagram…
\(3:4\)
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the phrase, drain the swamp, has become an often - used shorthand for t…
The sentence "Reforms like ending wasteful government spending, making changes to campaign financing laws, addressing conflicts of interest, and putting a stop to cozy relationshi…