統計與機率
資料分析、機率分佈、假設檢定與統計方法。
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multiple choice 5 points how did republicans view high tariffs? as a di…
C. As a way to promote industrial growth and employment
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select the correct answer in the poem \as weary pilgrim, now at rest,\ …
E. She wants to be one of God's angels in heaven.
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you are told that the results of an extraversion assessment gave you a …
The result of the extraversion assessment is 2 standard deviations above the mean.
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the second part of the plan would benefit the west. improved transporta…
1. Information about Henry Clay would be found in the reading passage. 2. Information about the regions helped by the American System would be in the reading passage. 3. Informati…
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students from williams middle school are also recycling aluminum cans. …
Median: 18 Interquartile range: 4 Range: 18
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5. what did the variety of languages in west africa mean for enslaved a…
Multiple - choice: b) They had difficulty understanding each other Open - Ended: 1. Trade in West African kingdoms before European contact contributed to wealth through the exchan…
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select all the correct text in the passage. which three parts of this e…
they'll flock in droves, these rich Londoners, they'll fight for that stock! I'm a made man, I'm a made man forever I'll never forget you as long as I live!
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students from grover middle school are recycling aluminum cans. the tab…
Mean: \(28.73\) Median: \(30\) Mode: \(42\) Range: \(36\)
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what is the mean length of time, in minutes, of the dance lessons? |min…
34
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2. determine if the following is an example of an independent or depend…
This is an example of independent probability.
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the table and corresponding frequency polygon show information about th…
\(\frac{6}{11}\)
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a private university is accepting applications for enrollment. out of 2…
Because some applicants volunteer and meet the GPA requirements, the events are not mutually exclusive. Thus, the probability is 77.5%.
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on a quiz there are four multiple - choice questions worth 3 points eac…
3.4
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3 in which of the following situations is a judge most likely to hold a…
A. if the juvenile is a first - time offender, C. if the crime was a misdemeanor offense
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the sample space, s, of a coin being tossed three times is shown below,…
| $X$ | 0 | 1 | 2 | 3 | | ---- | ---- | ---- | ---- | ---- | | $p(X)$ | $\frac{1}{8}$ | $\frac{3}{8}$ | $\frac{3}{8}$ | $\frac{1}{8}$ |
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members of a step team perform dances involving stepping and clapping i…
$2.4$
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julio has two bags of gummy candies. one at a time, he randomly pulled …
\(\frac{21}{400}\)
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11. the principle of “non - maleficence” means: a) do what the client s…
11. B. Avoid causing harm 12. C. To build trust and prevent misunderstandings 13. B. Kept secure and private 14. C. Stay calm and focus on the issue 15. B. Respected and accommoda…
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the weights, in pounds, of mikes five pet dogs are listed below. what i…
12
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35% of employees judge their peers by the cleanliness of their workspac…
| x | P(x) | |----|----| | 0 | 0.0498 | | 1 | 0.1977 | | 2 | 0.3053 | | 3 | 0.2587 | | 4 | 0.1373 | | 5 | 0.0467 | | 6 | 0.0108 | | 7 | 0.0013 | | 8 | 0.0001 |
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click the arrows to choose an answer from each menu. the line y = 10x c…
The line $y = 10x$ is not a good line of fit for the data because most data points are not close to it. A good line of fit should minimize the distance between the points and the …
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quiz: ethics and interpersonal relationships in in - home care (1.5hrs)…
1. c) To guide appropriate and respectful behavior 2. c) Allowing clients to make their own choices 3. c) Talking about a client to your friend at a coffee shop 4. c) Following th…
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choose the revision that best varies the sentence pattern without chang…
Kyle likes to cook meals for his family, and they always enjoy his cooking.
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eliza uses the data points to make the probability distribution shown i…
The probabilities in the table should be equal to the total number of data points in each grouping divided by the total number of data points. The probability distribution does re…
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34% of working mothers do not have enough money to cover their health i…
| x | P(x) | |----|----| | 0 | 0.106 | | 1 | 0.294 | | 2 | 0.329 | | 3 | 0.198 | | 4 | 0.069 | | 5 | 0.013 | | 6 | 0.001 |
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forty - five percent of consumers say it is important that the clothing…
(a) 0.022 (b) 0.102 (c) 0.898
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10) (2 points) in a group there are three professors and three doctors.…
\(\frac{1}{10}\)
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forty - five percent of consumers say it is important that the clothing…
(a) 0.047 (b) 0.109 (c) 0.891
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fifty - nine percent of u.s. adults think that civil rights for black a…
0.267
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fifty - nine percent of u.s. adults think that civil rights for black a…
(a) 0.024 (b) 0.241
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58% of u.s. adults have very little confidence in newspapers. you rando…
(c) $0.064$
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1. according to montesquieu, when is \political liberty\ found in a gov…
1. Cuando hay separación de poderes y control entre instituciones. 2. Las personas con poder tienden a abusarlo y extender su autoridad. Respuesta a la opinión depende de la persp…
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2-5 study guide and intervention scatter plots and lines of regression …
a. After drawing the scatter - plot and line of fit, there is a positive correlation. b. The prediction equation is $y=\frac{13}{11}x+\frac{64}{11}\approx1.18x + 5.82$. c. The pre…
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58% of u.s. adults have very little confidence in newspapers. you rando…
(b) $P(x\geq6)=0.638$
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58% of u.s. adults have very little confidence in newspapers. you rando…
(a) $0.215$ (b) $0.580$ (c) $0.058$
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fifty percent of consumers prefer to purchase electronics online. you r…
(a) $0.219$ (b) $0.144$ (c) $0.856$
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fifty percent of consumers prefer to purchase electronics online. you r…
0.219
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1. how many intervals were 0 - 19 cappuccinos made? a. 3 b. 6 c. 8 d. 1…
1. b. 8 6. a. The change would reduce the number of bins from 4 to 2.
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what does ex post facto law mean? new laws can sometimes apply to peopl…
new laws can sometimes apply to people operating before the new law was passed
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2-5 study guide and intervention scatter plots and lines of regression …
a. After drawing the scatter - plot and line of fit, there is a positive correlation. b. The prediction equation is $y=\frac{13}{11}x+\frac{64}{11}\approx1.18x + 5.82$. c. The pre…
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1. association suppose you were to collect data for each pair of variab…
1a) Explanatory: Weight in grams; Response: Weight in ounces. Positive direction, linear form, very strong strength. 1b) Explanatory: Week number; Responses: Ice - cream cone sale…
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the elastic clause gives congress the power to do what? make all laws n…
The Elastic Clause: Make all laws necessary to carry out enumerated powers, and all other powers listed in the Constitution. Ex - post - facto law: A law that applies retroactivel…
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15) prewrite - free write (2 - 3 sentences) prompt: write anything that…
Courage means having the strength to face your fears. A time I felt brave was when I stood up for a friend being bullied. People show courage when they persevere through difficult…
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49% of u.s. adults have very little confidence in newspapers. you rando…
(a) $0.246$ (b) $0.463$ (c) $0.437$
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21) a hook first sentence in an introduction that is meant to grab the …
Studies show that the average student checks their phone 11 times during a 50 - minute class.
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question 22 jurisdiction means the authority to hear and rule on a cert…
authority to hear and rule on a certain type of case
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8) (4 points) a college professor hands out a list of 10 questions, fiv…
$\frac{1}{12}$
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question 21 what is meant by a \zone of twilight\ for a president? situ…
D. situation where the President operates without the approval or disapproval of Congress
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the president and other federal officials may be impeached for \treason…
B. for "treason, bribery, or other high crimes or misdemeanors" under Article II of the Constitution
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6. in which type of government does one person rule? a. a dictatorship …
6. A. A dictatorship 7. B. Authoritarian 8. D. The executive and legislative branches have different powers 9. C. Is subject to the legislature's control 10. D. All government pow…
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2. in a paper - mill, which material is the feedstock? a) pulp b) wood …
2. a) Wood chips 3. a) The percentage of feedstock turned into product 4. b) Throughput 5. a) 80% 6. b) Less waste and higher profit 7. c) Fails to meet quality standards 8. a) Wa…
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excerpt 1 if man in the state of nature is free, if he is absolute lord…
1. Un estado donde los hombres son libres y dueños de sí y de sus posesiones, pero con derechos inseguros. 2. Para preservar su vida, libertad y propiedad.
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3. what method of data collection could be used to determine how many c…
b. Survey
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sixty - eight percent of adults in a certain country believe that life …
On average, 3.40 out of every 5 adults in the country believe that life on other planets is plausible. In most samples of 5 adults, the number of adults who think life on other pl…
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sixty - eight percent of adults in a certain country believe that life …
On average, 3.40 out of every 5 adults in the country believe that life on other planets is plausible. In most samples of 5 adults, the number of adults who think life on other pl…
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2. what is a question that could be asked to generate the following his…
d. How many pairs of shoes do most seventh graders own?
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sixty - eight percent of adults in a certain country believe that life …
The mean $\mu = 3.40$, the variance $\sigma^{2}=1.09$ (rounded to two decimal places), and the standard deviation $\sigma\approx1.04$ (rounded to two decimal places).
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1. which of the following is a research question that requires the coll…
b. How many football games did you attend this year?
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3. in a paper mill, which material is the feedstock? a) paper b) wood c…
1. b. Wood chips 2. c. How much material is processed in each time 3. b. Throughput 4. a. 80% 5. b. Less waste and higher profit 6. c. Fails to meet quality standards 7. a. Waste …
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fifty - nine percent of u.s. adults think that civil rights for black a…
(a) $0.036$ (b) $0.241$
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the wild lands of the country should be distributed so that every man s…
A. sign the Homestead Act into law
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find the mean, variance, and standard deviation of the binomial distrib…
The mean $\mu$ is $85.6$, the variance $\sigma^{2}$ is $26.5$ (rounded to one decimal place), and the standard deviation $\sigma$ is $5.2$ (rounded to one decimal place).
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literary connections “ron, i really hope that as soon as you can you wi…
1. Alex's main purpose is to encourage Ron to explore the American West and have new adventures. Details such as suggesting he get out of Salton City and do his own cooking suppor…
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madeline rolls two six - sided dice. the probability of getting a speci…
0.0556
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the probability of ordering tacos is 0.4 and the probability of orderin…
\(0.24\)
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select the correct answer. which type of context clue helps determine t…
A. antonyms
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jen wants to know if the number of pairs of shoes a person owns is corr…
Jen predicts that a person who does not own any shoes will own 4 hats.
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find the mean, variance, and standard deviation of the binomial distrib…
The mean, $\mu$, is $48.0$. The variance, $\sigma^{2}$, is $19.2$. The standard deviation, $\sigma$, is approximately $4.4$.
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madison is studying flocks of birds in her state. the mean number of bi…
C. Flock A has 8 or 24 birds.
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determine whether each sentence expresses meaning literally or figurati…
| Literal Meaning | Figurative Meaning | | --- | --- | | "I am so hungry that I'll probably eat three or four helpings of dinner."<br>"I easily jumped over the barrels on my horse…
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what is the meaning of tone in poetry? a. the mood a poem creates in th…
A. the mood a poem creates in the reader
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find the z - score. {7, 9, 9, 12, 5, 3, 15, 8} x = 2 -5.3 2.34 -1.86 5.3
-1.86
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daily caloric intake according to one source, people eat on average 378…
$-2.28$
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find the z - score. mean = 38 standard deviation: 1.2 x = 42 -3.33 3.33…
3.33
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sat scores the national average for mathematics on a standardized test …
$0.13$
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reread paragraphs 4 - 7 of \at the foot of the gallows.\ after you rere…
1. ominous 2. the curious onlookers 3. well - respected and wealthy 4. biased 5. which was seen as frivolous by the church
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find the z - score. mean = 21 standard deviation: 1.3 x = 22 1.07 0.77 …
$0.77$
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sat scores the national average for mathematics on a standardized test …
418 and 602
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6) (6 points) the probability that a student studies is .7. given that …
(a) $0.56$ (b) $0.09$ (c) $0.65$
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find the z - score. mean = 22 standard deviation: 3.1 x = 29 -2.26 1.26…
2.26
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find the z - score. mean = 40 standard deviation: 1.4 x = 42 -1.4 1.24 …
1.43
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find the z - score. mean = 27 standard deviation: 1.4 x = 11 -11.43 4.1…
-11.43
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reread paragraphs 1 - 3 of \at the foot of the gallows.\ after you rere…
1. eagerly 2. in the front row 3. angrily 4. for the materials 5. stubbornly 6. extremely hard
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5 $p(acap b)=p(a)cdot p(a|b)$ true false
B. False
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find the z - score. {23, 15, 4, 11, 1, 29, 3, 17} x = 30 8.2 5.3 1.82 -…
1.82
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3 bayes theorem is about reverse conditional probability. true false (r…
True
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find the z - score. mean = 25 standard deviation: 7 x = 9.6 23.46 -36 -…
-2.2
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between which years did the largest decrease in children taking swimmin…
C. 1992 - 1993
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two manufacturers supply blankets to emergency relief organizations. ma…
$0.583$
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a survey shows that 70% of teenagers own smartphones. among smartphone …
B. No, because P(social media | smartphone) $ eq$ P(social media | no smartphone)
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one requirement of bayes rule is that the events have to be mutually ex…
B. False
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a bag contains red and blue marbles. you draw one marble, note its colo…
1. Because the outcome of the first draw doesn't change the probability for the second draw 2. \(P(B)=0.65\) and A and B cannot happen at the same time
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stem leaf 4 4 6 7 9 5 6 3 4 6 8 8 7 2 2 5 6 8 1 4 8 9 10 6 this shows h…
2
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a student flips a fair coin 20 times and gets 15 heads. according to th…
First Question: Still 50% chance of heads and 50% chance of tails Second Question: P(pizza AND burgers)
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football scores stem | leaf 0 | 0 1 5 1 | 3 4 5 6 7 2 | 1 4 4 7 8 3 | 0…
7
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read the sentence from paragraph 6 of a game: we had this conversation …
C. improve
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for exercises 8-11, use the graph to answer the questions. the graph sh…
$16$ ### 9.
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a florist records the amount of money he spent on gasoline each week to…
32
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quiz scores stem leaf 4 0,9 5 6,8,9 6 1,4,7 7 3,5,6,8 8 0,5,7,8 9 2,6 w…
40
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football scores stem | leaf 0 | 0 1 5 1 | 3 4 5 6 7 2 | 1 4 4 7 8 3 | 0…
35