Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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read the sentence. the clouds gathering on the horizon were an inauspic…
unfavorable
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read the excerpt from the green gables letters by l. m. montgomery. the…
It conveys the idea that the trees in the woods are losing their leaves and making noises in the wind.
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question 5 the \product\ component of the marketing mix is defined as: …
C. The goods and services offered
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if congress and the president want to keep real gdp at its potential le…
- Real GDP will be: higher - Potential real GDP will be: the same - The inflation rate will be: higher - The unemployment rate will be: lower
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how does the following excerpt from a classroom speech violate the guid…
Both it doesn't present information from an unbiased source and it doesn't include statistics.
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which word part means \few, scanty\? spermat/o olig/o zo/o crypt/o
B. olig/o (assuming the options are labeled A: spermat/o, B: olig/o, C: zo/o, D: crypt/o)
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3. what is the geometric mean of 34 and 60? 4√510 47 2√510 √95
2√510 (the third option)
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ad & as model hwk the hypothetical infiscal policy if congress and thew…
increasing government spending or cutting taxes
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the following gives the number of accidents that occurred on florida st…
\(118\)
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what is the difference between a subsistence economy and the market eco…
C. In a market economy people can buy, rather than produce, things they may need.
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a survey of 20 middleton residents was done to determine the number of …
Outlier: \(9\); Mean: \(3.5\); Range: \(8\)
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plato believed material objects to be crude representations of unseen i…
A. meanwhile.
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which word part means \hidden\? crypt/o -pexy -genesis epididym/o
A. crypt/o
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a shelter kept track of the number of dogs adopted each day for three w…
Median: \(7\), Mode: \(8\), Range: \(6\)
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3. which word means to influence something?a. affectsb. affectc. effect…
B. affect
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measures of center and variability a shelter kept track of the number o…
Mean: \(6.29\), Median: \(6\), Mode: \(8\), Range: \(6\)
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the dot plot shows the number of emails aaron sent his cousin each week…
2
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incorrect capitalization can undermine your and distract your reader. c…
1. credibility 2. meaning 3. titles of works 4. capital 5. things 6. major 7. historical
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6. if congress creates a federal agency to regulate emerging technology…
B. Congress may use implied powers if the action is appropriate to achieve a legitimate constitutional end.
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1. a local swimming pool has a membership fee to use its facilities. th…
a. The y - intercept is \(40\). It is the membership fee. b. The slope is \(5\). It is the additional cost per visit. c. The equation is \(y = 5x+40\). d. After \(34\) visits.
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5 a student is curious about the average age of a nickel in circulation…
A. a sample survey
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where is the gap in the data? number of patients per hour who waited lo…
4
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what is the center of the data? number of laps around a track the cente…
\(2\)
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what guideline, presented in your textbook for using supporting materia…
Relate statistics to the audience.
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extra credit a mathematician sets up an experiment. she puts 5 pennies,…
P(drawing a nickel first): $\frac{4}{19}$ P(drawing a quarter second): $\frac{3}{20}$ P(drawing a nickel, then a quarter): $\frac{3}{95}$ Independent or Dependent events? Dependent
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the dot plot shows the birth year of everyone who works at sams office.…
The peak is at 1985.
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what is the total number of ways you can arrange 8 books on the shelf? …
40320 \( \frac{1}{40320} \)
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which best describes the clusters in the data set? number of fish in ea…
There are two clusters, at 10 and 11, and at 13, 14, and 15.
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how many ways can you make a meal by selecting one item from section of…
80 --- ### Part 2: Probability calculation
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which best describes the clusters in the data set? number of ripe tomat…
There are two clusters at 13 and at 15.
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the center is 13. the center is 14. the peak is at 14. it has two clust…
- The center is \(13\). - The peak is at \(14\). - It has two clusters.
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given the table below, what is the probability that a randomly chosen s…
$\frac{441}{1388}$ $\frac{612}{1388}$ $\frac{103}{1388}$ $\frac{168}{1388}$ $\frac{90}{466}$ $\frac{156}{259}$
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the dot plot shows the number of emails aaron sent his cousin each week…
\(2\)
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the center is 3. the peak is 5. there are no gaps. it is symmetric. it …
The center is 3. The spread is from 1 to 5.
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what is true of the data in the dot plot? check all that apply. number …
The center is 3.
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the dot plot shows the number of raffle tickets bought by each person. …
\(3\)
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2. kelly rolls two fair six - sided dice and records the sum of the two…
b. \(\frac{1}{6}\) c. \(\frac{5}{18}\) d. \(\frac{1}{2}\) e. Event \(A\): sum of 2; Event \(B\): sum of 12 (answers may vary) f. Yes, each outcome \((i,j)\) has probability \(\fra…
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4. susan uses an app that tracks the distance she has walked since the …
The distance walked should not decrease over time.
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lesson 6.4 - combining random variables check your understanding most s…
a. $\mu_D = 2.08$ b. $\sigma_D \approx 13.23$ c. $\approx 0.563$
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complete the sentences related to managing and appreciating diversity i…
The first blank (after "appreciating") should be filled with "diversity". (Assuming the drop - down options include "diversity" for the first blank. For the second blank, if optio…
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2 construis le tableau de données groupées en classes associé à lhistog…
Étendue \( \approx 100 \) Moyenne \( \approx 57.29 \) Classe médiane: \( [40,60] \)
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given the table below, what is the probability that a randomly chosen s…
$\frac{156}{259}$
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fill in the blank. the ____________ measures the strength of the linear…
linear correlation coefficient r
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in suburbs of large cities,15 new residents move in each year. of those…
C. After five years, there are 60 new residents in a suburb.
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fill in the blank. when determining whether there is a correlation betw…
scatterplot
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a exists between two variables when the values of one variable are some…
correlation
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in a 30-hour work week, you spend 18% of your time filing papers. true …
False
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a shirt comes in 8 different colors, 4 different collar styles, and 3 d…
E. \(8\times4\times3\)
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36. which statement best reflects the books message about taking on cha…
C. Challenges teach us, but require wisdom and balance ### Question 37
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brock eats 14 eggs each week. he eats the same amount of eggs each day …
D. Brock eats 2 eggs each day of the week.
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the height of a lake decreases by 20 in over a period of time. the heig…
D. The time it takes for the lake to decrease in height by 20 in is 4 weeks.
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1) fbi crime rates for a random sample of ( n_1 = 9 ) in the southern r…
a) \(H_0:\mu_1=\mu_2\), \(H_1:\mu_1 eq\mu_2\) b) \(17\) c) \(\pm2.110\) d) \(0.876\)
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in a hockey game, you shot the puck 50 times and scored 10% of the time…
O True
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read the passage. in 1864, toward the end of the american civil war, ge…
person currently holding an office
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what percentage of the total yards did gary run? jordan mike gary ben j…
10%
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78% of children eat three meals a day. what sentence represents this st…
78 of 100 children eat three meals a day.
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54% of senior citizens suffer heart disease. true or false: this means …
O False
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there are 100 marbles in a bag. 22 are green, 27 are blue, 14 are red, …
O True
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jessenia spends $5 on a treat every friday for 8 weeks. the equation be…
C. The change in Jessenia's money over the 8 weeks is $- 40$.
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the author uses the phrase peaks english, you can communicate with the …
C. It demonstrates how this ability becomes a tool for advocacy and resistance against exploitation, transforming "favored" into a position of responsibility and potential risk.
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5 included below are some notable quotes from the crucible. based on yo…
f. Elizabeth Proctor ### 2.
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my body curls up when i hear your story my body curls up when i hear yo…
B. "...packed the old pickup truck to make your annual trek North."
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1 how the day after graduating as valedictorian from the high school in…
C. It is established through the dehumanizing living conditions, the arduous and demeaning work, the threat of withheld wages, and the bosses’ reluctant compliance with labor laws.
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which of the following is an example of a compound sentence from mansfi…
"Ever since his birth the boss had worked...; it had no other meaning if it was not for the boy."
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complete the following statement. y = logₐx means x = a·y. \\frac{y}{lo…
\(a^{y}\)
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what moral does the following animal commandment from orwells animal fa…
Just because someone looks like you doesn't mean they are your friend.
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what is an allegory? a story, poem, or picture that can be interpreted …
A story, poem, or picture that can be interpreted to reveal a hidden, broader meaning.
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what age range reported the greatest number of students with summer job…
d. 18.5-19.5 years
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in a(n) ______ distribution, the frequencies concentrate at one end. a …
b. Skewed
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when finding the margin of error for the mean of a normally distributed…
\(0.79\)
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to conduct a survey about the type of phone service most people in gree…
cluster sampling.
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according to a poll, 56% of voters support funding a new community cent…
C. \(0.56\)
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a convenience sample differs from a voluntary sample in that a convenie…
a convenience sample is structured based on accessibility to the researcher, and a voluntary sample is based on participant interest.
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points scored per game how can the graph be adjusted to show the skew? …
The intervals on the x - axis can be changed to be continuous and consistent.
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you pick a card at random from an ordinary deck of 52 cards. if the car…
6
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in juneau, alaska, the 30 - year annual snowfall average is 86.7 inches…
The \(z\) - statistic is \(1.68\), so the null hypothesis cannot be rejected.
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you are challenged to a lucky draw game. if you draw a face card (k, q,…
0.77
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what does it mean to keep a confidence? when someone tells you somethin…
When someone tells you something private, you don't repeat it.
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a simple random sample of size n is drawn from a normally distributed p…
\(\bar{x}\pm\frac{2.58\cdot s}{\sqrt{n}}\) (the fourth option)
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choose the correct answer. which word part means \loosening or setting …
-lysis
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which of the following is not a requirement for using one - way analysi…
B. The samples are matched or paired in some way.
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fill in the blank. a______is a characteristic used in anova that allows…
treatment
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the placement test for a college has scores that are normally distribut…
715.2
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the table to the right shows selected ages of licensed drivers in one c…
21
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the results of a certain medical test are normally distributed with a m…
20.52
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systolic blood pressure readings for a population of adults are normall…
1.5
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systolic blood pressure readings for a population of adults are normall…
1.33 (assuming $\sigma = 18$, if the standard deviation was different, the answer would change. But with the given context, this is the calculation)
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use the table below to find the percentage of data items in a normal di…
\( 27.78 \)
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use the accompanying table of z - scores and percentiles to find the pe…
\(59.87\)
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use the accompanying table of z - scores and percentiles to find the pe…
40.13%
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use the accompanying table of z - scores and percentiles to find the pe…
2.28
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use the accompanying table of z - scores and percentiles to find the pe…
97.72%
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marge is trying to lose weight. her diet resulted in losing 3 pounds ov…
B
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students recorded how many books they read: 3, 5, 4, 6, 2, 4, 5, 3, 4. …
B. 4
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the temperatures for one week were: 65°f, 68°f, 70°f, 72°f, 69°f, 71°f,…
7°F
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sarah measured the heights of her classmates in inches: 48, 50, 52, 48,…
48, 50
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shirts are on sale for 20% off. you buy two of them. as you pay, the ca…
I disagree with this statement because a 20% discount per shirt affects each shirt's price, so for two shirts, the total discount is still 20% of the total price (e.g., two $10 sh…
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which sports team improved the most? explain your reasoning. a table of…
The baseball team improved the most because when calculating the percentage increase in points (using the formula $\frac{\text{Total points in game 2}-\text{Total points in game 1…
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construct a venn diagram illustrating these results. then answer the qu…
\( \boxed{10} \)
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632 people were surveyed in all 310 of the people own a cat 43 of the p…
# Explanation: ## Step1: Identify people who own a fish First, we need to find the total number of people who own a fish. From the Venn diagram and the given data, the regions tha…