Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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the pulse rates of 151 randomly selected adult males vary from a low of…
The result from part (a) is larger than the result from part (b). The result from part (b) is likely to be better because the sample standard deviation \(s = 12.5\) (used in part …
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find the sample size needed to estimate the mean age of movie patrons s…
B. The sample should not be obtained from one movie at one theater, because that sample could be easily biased. Instead, a simple random sample of the broader population should be…
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uh - oh. maybe its not that easy to figure out what the constitution is…
- Judicial review allows the Supreme Court to determine if laws or actions are constitutional. - The Supreme Court needs to interpret the Constitution for "particular cases" becau…
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a residential community was polling households to find out whether they…
\(a = 38\%, b=3\%\)
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two-way tables as people exited a movie theater, they were informally s…
\(a = 41\%, b = 3\%\)
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wo - way tables an informal survey was taken at a farmers market. peopl…
\(a = 12\%, b = 18\%\)
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find the correlation coefficient, r, of the data described below. a soc…
$r = 0.613$
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find the correlation coefficient, r, of the data described below. a soc…
\(0.739\)
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1. which concept of moral guidelines focuses on the decision to provide…
1. Ordinary and extraordinary care 2. The stage of the disease 3. FALSE 4. Justice
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scroll down until you find amendment i. it says, \congress shall make n…
- First blank: "freedom of speech" - Second blank: "cruel and unusual punishments" - Familiarity: Yes, these are well - known rights in the U.S. legal framework. - Explanation: No…
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scroll down until you find amendment i. it says, \congress shall make n…
- First blank: freedom of speech - Second blank: cruel and unusual punishments - Second question: Yes, these are well - known rights in the U.S. legal and rights framework. - Thir…
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part iii: vocabulary practice match each word to its correct meaning. w…
1. c 2. d 3. b 4. e 5. a
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c. which measure of central tendency is the best indicator of the \aver…
A. Either the mean or the median would be good measures of central tendency to use because there are no outliers.
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read the following excerpt from a student essay. how can the writer bes…
by using more appropriate academic language
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read the following excerpt from a student essay. how can the writer bes…
by including more evidence to support the main idea
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an advertisement for a speed - reading course claimed that the \average…
A. The mean is \(919\)
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a political pollster wanted to fairly choose three voting precincts fro…
Precinct \(09\), Precinct \(19\), Precinct \(10\)
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a teacher wanted to fairly choose three students from a class of 27 to …
Student \(16\), Student \(12\), Student \(05\)
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which of the following best describes how totem poles reflect the belie…
They show the importance of tradition through symbolic images that represent a clan’s history and social status.
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read the following sentences from \good for sale,\ closely examining th…
B. The author relies on simple sentences to add dramatic emphasis to her motivation and decision to move.
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the following question has two parts. part a first, and then part b. pa…
- Part A: Racial discrimination and injustice will finally end. - Part B: [W]e will be able to transform the jangling discords of our nation into a beautiful symphony of brotherho…
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in \i have a dream,\ dr. king tells his listeners that they should not …
- First question: hopelessness from believing that the present situation will never change - Part A: Racial discrimination and injustice will finally end
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which of the following situations can best be used to illustrate the me…
1. Manuel has lots of friends, a loyal dog, a job he loves, and a nice apartment. 2. woes, miseries
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which of the following situations can best be used to illustrate the me…
woes, miseries
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the hundred days were rooseveltss and congresss efforts to provide reli…
Part of the Hundred Days: the National Recovery Administration (NRA), Civilian Conservation Corps (CCC). Not Part of the Hundred Days: the House Un - American Activities Committee…
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the hundred days were roosevelts and congresss efforts to provide relie…
- Civilian Conservation Corps (CCC) - The National Recovery Administration (NRA)
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which of the following is a disadvantage of private enterprise:eliminat…
- First question: Periods of unemployment - Second question: individuals are free to set their own goals.
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what does roosevelt mean by the difference between the definition of li…
Roosevelt felt that his New Deal walked a fine line between too much government and too little. Roosevelt believed that the definition of liberty that prevailed in the past had le…
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find the midrange for the following group of data items. 87, 88, 89, 93…
\(90\)
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find the median for the data items in the given frequency distribution …
\(5\)
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classify the following example as numerical data or categorical data. t…
Categorical data
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determine whether the statement is true or false. if the statement is f…
C. The statement is false. To make the statement true, change "median" to "mode" in each instance.
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determine whether the following statement is true or false. if the stat…
B. The statement is false. It should be changed to if one or more data items are much greater than the other items, the median, rather than the mean, is more representative of the…
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determine whether the statement is true or false. if the statement is f…
B. The statement is false. To make the statement true, change "mean" to "median"
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what is one convention that mughal artists used in painting? they fille…
They filled shapes and forms with solid color.
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determine whether the following statement is true or false. if the stat…
C. The statement is true because these numbers are generally located toward the center of a distribution.
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b) find the interquartile range. c) from this data set, what is the low…
c) \(50^{\circ}F\) d) \(70^{\circ}F\)
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fill in the blank so that the resulting statement is true the measure o…
midrange
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fill in the blank so that the resulting statement is true. a data value…
mode
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fill in the blank so that the resulting statement is true if n data ite…
\(\frac{n + 1}{2}\)
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$\\frac{\\sum x}{n}$, the sum of all the data items divided by the numb…
mean
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4. how does the narrator of \the tell-tale heart\ try to prove he is sa…
The narrator tries to prove he is sane by highlighting his careful planning (e.g., seven - night watch), calm demeanor during the murder (dismembering and hiding the body), and cl…
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look at the statistics in the table. which generalization is most accur…
Women are more likely than men to support Democrats (Obama).
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1. a research team sent out surveys to a group of 60 participants. out …
B. \(20\%\)
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kaelyn earns the minimum salary for job a. emmalyn earns the median sal…
\(20000\)
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a polling firm has been commissioned by the new york times to assess pu…
determine the population
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creating a two - way table from a scenario in a study, 1,085 out of 2,3…
| | Positive | Negative | Total | |-----------|----------|----------|--------| | Vaccinated| \(465\) | \(771\) | \(1236\)| | Not Vaccinated | \(485\) | \(600\) | \(1085\)| | Total…
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30. once youve made an inference about a graph, what should you do befo…
Verify that your inference is correct.
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if a judge believes that she should only strike down laws that clearly …
- Question 18: judicial restraint - Question 19: Stratified sampling combines random selection with predetermined weighting of a population's demographic characteristics. - Questi…
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19. what is a literary symbol? a detail in a story that has a deeper un…
a detail in a story that has a deeper underlying meaning
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consider the following data set represented by a dot plot. round your a…
The mean of the data set is \(9.5\).
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choosing the right word select the boldface word that better completes …
1. flaws 2. brawling 3. perjury 4. flagrant 5. flustered 6. momentum 7. domestics 8. vigilant 9. presumed 10. paradox 11. prior 12. amiss 13. nurtured 14. fledgling 15. detest
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6. films require expertise in which three categories in order to constr…
literary, dramatic, and cinematic
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4.3.4 quiz: \exhalation\ question 5 of 5 in \exhalation,\ why had no ot…
B. Because brain dissection meant certain death for the specimen
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self-check what is the mode of the following set of values? 12 9 20 19 …
\(17\)
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self-check given the histogram above, find the range.
\(5\)
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self-check given the histogram above, find the mode.
\(1\)
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self-check given the histogram above, find the median.
\(1\)
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at west view high school, every freshman (fr) and sophomore (so) has ei…
The expression is \(P(E|Fr)\) and the probability is \(\frac{59}{212}\)
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finding the probability of an event from a two - way table the two - wa…
\( P(\text{tulip})=\frac{37}{86} \) (the second option)
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a bag contains one red pen, four black pens, and three blue pens. two p…
0.19
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lola pulls two marbles from a bag containing four red marbles, four blu…
0.13
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seventy - five percent of the flowers in the arrangement are roses and …
13%
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a study found that 23% of the cars manufactured last year were suvs, 13…
\(15\%\) (Option 2)
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twenty - five bakery customers were surveyed to determine if they like …
\(\frac{2}{7}\)
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use the venn diagram to calculate probabilities. which probability is c…
\( P(C|A)=\frac{13}{17} \) (the fourth option)
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a survey of the 12th grade students at gaffigan high school found that …
17%
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unit exam: foundations of literature text. 2. literary technique- consi…
hyperbole - exaggeration used to make a point
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twenty - two percent of the large pieces of mail that rachel received t…
28%
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nadias bookshelf contains 10 fiction books, two reference books, and fi…
\(\frac{5}{136}\) (the third option)
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finding conditional probabilities using a venn diagram use the venn dia…
\(P(D|F)=\frac{6}{34}\), \(P(E|D)=\frac{7}{25}\), \(P(F|E)=\frac{8}{18}\)
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determining if events are independent elias writes the numbers 1 throug…
yes, because the probability of choosing an odd number is equal to the probability of choosing an odd number given that the slip is yellow.
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calculating a probability at sangers auto garage, three out of every fi…
\(\frac{12}{35}\)
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at a hospital, 56 percent of the babies born are not girls. of the baby…
5%
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applying the general multiplication rule a box contains four red balls …
\(P(B)=\frac{2}{3}\), \(P(R|B)=\frac{4}{11}\), \(P(B\cap R)=\frac{8}{33}\), and the probability that the first ball chosen is black and the second ball chosen is red is about \(24…
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a box contains four red balls and eight black balls. two balls are rand…
\(P(B)=\frac{2}{3}\), \(P(R|B)=\frac{4}{11}\), \(P(B\cap R)=\frac{8}{33}\), The probability is about \(24\) percent.
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determining a conditional probability a dentist polls his patients and …
\(23\%\)
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the 154 tenth - graders at wilson high school were polled on whether th…
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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read the text. sooner or later why put off until tomorrow what you can …
Starting your work earlier than necessary has its benefits.
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what does the underlined word mean in the following sentence? mis padre…
married
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what does the underlined word mean in the following sentence? nuestro t…
uncle
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what does the underlined word mean in the following sentence? extraño a…
C. miss
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what does the underlined word mean in the following sentence? yo tengo …
sisters
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4. based on the venn diagram below, how many students are on the baseba…
34
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2. which of the following statements is not supported by the venn diagr…
There are 13 students on the dance team.
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based on the venn diagram below, how many students own a dog, but not a…
16
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a major theme of f. scott fitzgeralds work was the idea that the postwa…
D. was empty and meaningless.
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a character is described as having a sprightly walk. what does this mea…
B. Quick and lively
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read this sentence from farewell to manzanar, in which the authors desc…
sneaky
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he went north, best beloved, and he found all - the - elephant - there …
Things turn into geographical features of the Earth, such as the Himalayas, when the Eldest Magician blows on them.
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read the passage from \marriage is a private affair\ by chinua achebe. …
Fathers and sons are beginning to have different ideas about what marriage is.
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classifying choose the word from the box that goes best with each group…
2. bluff; The words start with "b". 3. hazy; The words end with "y". 4. vast; The words mean very large. 5. detect; The words are verbs related to seeing. 6. document; The words a…
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read the passage from \marriage is a private affair\ by chinua achebe. …
A. A historical perspective would focus on arranged marriage being part of the culture at the time the story is set. A feminist perspective would focus on how arranged marriages t…
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in chapter 1 of farewell to manzanar, jeanne wakatsuki houston and jame…
Part A: Papa's rights and freedom had been taken from him. Part B: (There is no correct excerpt given as "He was over fifty" is wrong. But if we assume a proper one like showing a…
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why did late - 1890s newspapers publish sensational stories about cuba …
Newspapers used the stories to sell more papers.
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read the excerpt from \the crab that played with the sea\ he went north…
- Things turn into geographical features of the Earth, such as the Himalayas, when the Eldest Magician blows on them. - The animals engage in activities that are typical of their …
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what is the best analysis of the casual relationship in this scene? * c…
This decision will cause Cassius to act on his plans more urgently.
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how are brutus and cassius linked? * they are both leaders in the consp…
For the first question: They are both leaders in the conspiracy. For the second question: They show which characters act upon other characters.
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2. if a person rolls doubles when he tosses two dice, he wins $5. the c…
Since the expected value \(E(X)=-\frac{1}{6}\approx - 0.17 eq0\), the game is not fair.
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complete the sentence with the word that best fits the overall meaning …
approaching