Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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creating a histogram create a histogram with five intervals from this d…
20
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creating a histogram create a histogram with five intervals from this d…
87
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create a histogram with five intervals from this data set: 21, 37, 56, …
21
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14. which of the following best describes the significance of greek sta…
d. Celebrations of beauty and human achievement
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choosing a measure of center consider the data shown below. 6,8,0,2,2,8…
Median would be better, because the data distribution is skewed.
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brenna rolled a number cube 16 times and recorded each roll. the data a…
C. 5
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homework section 2.3 homework part 2 of 4 the table gives the life expe…
(a) $\begin{bmatrix}59.0&62.8&64.4&67.9&70.9\\68.6&71.7&73.7&75.3&78.0\end{bmatrix}$ (b) $\begin{bmatrix}68.0&69.7&71.9&74.8&75.5\\75.3&78.6&79.5&79.8&81.7\end{bmatrix}$
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questions: please answer the following 1. what was polycarps response w…
1. No specific answer provided as the text from which to draw responses is not given. 2. No specific answer provided as the text from which to draw responses is not given. 3. No s…
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review of the two major economic systems: capitalism - adam smith - \th…
1. Communist. Explanation: Mentions workers overthrowing capitalist owners for means - of - production ownership, a key communist idea. 2. Capitalist. Explanation: Based on labor …
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amber and chloe recorded the number of minutes they spent studying for …
A. Amber’s data set contains an outlier. D. The median describes Amber’s data more accurately than the mean. E. The difference between the mean and median of Amber’s data set is g…
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for a normal distribution with a mean of $mu = 85$ and a standard devia…
$0.4207$
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multiple choice 1 point an increase in the governments budget deficit m…
public saving is less than $0 and decreasing.
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in a study, the sample is chosen by dividing the population by voting p…
Cluster
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in a study, the sample is chosen by pulling 50 names from a hat. what i…
Simple Random
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in a survey of 1620 adults, 52% responded \yes\ to the survey question.…
$842$
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grade levels of student council members | |number of students| |--|--| …
The number of outcomes representing each grade level does not change after the first student is chosen.
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raj has a full deck of 52 cards. sydney chooses the queen of clubs and …
C. 51
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this study looks at the relationship between screen time and depression…
1. B. Insert a comma after depression 2. D. No change needs to be made 3. D. No change needs to be made 4. A more effective transition could be "Moreover,"
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predicting the gender of a randomly chosen art teacher if 1 of 3 art te…
Art teacher: $\frac{1}{3}\approx0.33$; History teacher: $0.8$; Biology teacher: $\frac{2}{3}\approx0.67$; Chemistry teacher: $\frac{4}{9}\approx0.44$; Health teacher: $0.5$
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juanita rolls a number cube x times. for which value of x are the exper…
1,000
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vince makes 75% of his free throw attempts. he wants to create a tool t…
a spinner divided into 4 congruent sectors, spun 7 times
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a bank requires a four - digit access code for each account. the access…
$\frac{1}{10000}$
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what is the probability that both spinners will land on 2? \\(\\frac{1}…
$\frac{1}{12}$
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lewis is rolling a 10 - sided die 250 times. each side of the die is la…
75
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fran spun the spinner three times to predict whether the flight will be…
The flight will be on time on one of the three days.
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chapter 1 quiz score: 10/220 answered: 1/22 question 2 in a study, the …
Quantitative
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five out of six residents of mayville have library cards. which tool wi…
a number cube
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details no additional details were added for this assignment. chapter 1…
B. ordinal
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what is the probability of spinning the same number in both spins? 1/9 …
$\frac{1}{3}$
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how many different possible outcomes are there when jillana spins the s…
12
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the theoretical probability of an event occurring is $\frac{2}{5}$. whi…
Out of every 5 trials, the desired outcome will occur approximately 2 times.
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what is the probability of rolling a sum of 8? \\(\\frac{1}{12}\\) \\(\…
$\frac{5}{36}$
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gerald is conducting an experiment with 3 possible outcomes. kasey is c…
Gerald will need to conduct fewer trials than Kasey because there are fewer possible outcomes in his experiment.
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a package contains 4 red, 2 green, 8 purple, and 6 blue jelly beans. wh…
$\frac{12}{95}$
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use the text to compare and contrast cantonese and mandarin. if you wan…
| | Cantonese | Mandarin | | --- | --- | --- | | Is a dialect of Chinese | Yes | Yes | | Has four tones | No | Yes | | Is an official language in the United Nations | No | Yes |
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chapter 6 quiz - continuous probability distributions 10 points possibl…
$\mu_{\bar{x}} = 207.8$ $\sigma_{\bar{x}}\approx8.55$
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the graph illustrates the \distribution of statistics grades\. round al…
$\mu = 73$ $\sigma = 10$
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chapter 6 quiz - continuous probability distributions 10 points possibl…
Select "Between two values" from the dropdown menu and adjust the left - hand arrow to $x = 1.8$ and the right - hand arrow to $x = 2.2$.
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chapter 6 quiz - continuous probability distributions 10 points possibl…
$0.3333$
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the who monica project collected blood - pressure data (in mmhg) for pe…
a) Variable: Blood pressure; Type of variable: Quantitative b) Without a normal probability plot or further statistical analysis (such as calculating skewness and kurtosis), we ca…
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the who monica project collected blood pressure data (in mmhg) for peop…
a) The variable: blood pressure; Type of variable: quantitative b) Without constructing the QQ - plot, we cannot definitively answer. But the general rule is: If the normal probab…
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chapter 6 quiz - continuous probability distributions 10 points possibl…
a. $153.5,0.36$ b. $153.5,0.0083$ c. $0.0662$ d. $0.3631$
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chapter 6 quiz - continuous probability d 10 points possible answered: …
C. a straight line
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the size of fish is very important to commercial fishing. a study condu…
b) $0.9936$ c) $0.4325$ d) $0.4261$ e) $0.0062$ f) yes, since the probability of having a value of length at the most that value is less than or equal to $0.05$ g) $49.23$ cm
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according to the transportation security administration (tsa) data, 6.3…
1. $np\geq10$ and $n(1 - p)\geq10$, $\mu_{\hat{p}} = 0.0630$, $\sigma_{\hat{p}}=0.0183$ 2. (No full information for part 2 in the question, unable to complete this part. If we ass…
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a. p(z > +2.00) b. p(z > -1.00)
a. \(0.0228\) b. \(0.8413\)
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chapter 6 quiz - continuous probability distributions 10 points possibl…
Mean: $0.6$ Standard error: $0.0467$
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26 multiple choice 2 points jason is a student who is deaf and attendin…
B. a co - culture
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according to the transportation security administration (tsa) data, 6.3…
1. $\hat{p}\sim N(\mu_{\hat{p}} = 0.0630,\sigma_{\hat{p}}\approx0.0183)$ 2. $0.8268$
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30 true or false 2 points high context cultures are cultures that avoid…
True
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the size of fish is very important to commercial fishing. a study condu…
49.23 cm
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33 multiple choice 2 points words, and virtually all language, are symb…
C. denotative; connotative
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38 multiple choice 2 points which of the following types of words gain …
B. Relative
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the size of fish is very important to commercial fishing. a study condu…
a) $rv\ X =$ the length of a randomly selected Atlantic cod b) $0.9936$ c) $0.4325$ d) $0.4261$ e) $0.0062$ f) yes, since the probability of having a value of length at the most t…
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the size of fish is very important to commercial fishing. a study condu…
a) rv $X$ = the length of a randomly selected Atlantic cod d) $0.4261$ e) $0.0062$ f) Yes, because the probability $P(X\leq40.55) = 0.0062<0.05$. g) $49.23$ cm
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the size of fish is very important to commercial fishing. a study condu…
a) The random variable \(X\) is the length of an Atlantic - cod caught in nets in Karlskrona. b) \(0.9936\) c) \(0.4325\) d) \(0.4261\) e) \(0.0062\) f) Yes, because \(P(X\leq40.5…
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suppose a basketball player makes 57% of shots and that the probabilty …
$0.9853$
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suppose there is a 22.3% probability that a randomly - selected person …
The probability that a randomly - selected person aged 20 years or older is female and smokes is 0.025. Yes
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suppose there is a 22.5% probability that a randomly - selected person …
$0.025$
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a company knows that 11% of it customers are retirees. find the probabi…
0.496981290961
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suppose there is a 22.3% probability that a randomly selected person ag…
$0.025$
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a bag of 29 tulip bulbs contains 11 red tulip bulbs, 11 yellow tulip bu…
$0.298$
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in a large population, 64% of the people have been vaccinated. if 4 peo…
$0.983$
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a bag of 29 tulip bulbs contains 11 red tulip bulbs, 11 yellow tulip bu…
0.149
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the gallup organization found that 29% of americans own a cat as a pet.…
$0.0005$
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read the passage. then answer the question below. the sumerians were so…
It could be used to write about complex ideas.
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a bag of 29 tulip bulbs contains 11 red tulip bulbs, 11 yellow tulip bu…
0.149
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a bag of 29 tulip bulbs contains 11 red tulip bulbs, 11 yellow tulip bu…
0.135
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based on surveys, 97% of students own cell phones. what is the probabil…
$0.7374$
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due to a manufacturing error, four cans of regular soda were accidental…
$0.3660$
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which is the best definition of satire? writing that employs irony to a…
writing that uses critique to draw attention to an issue by exaggeration or irony
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4.3 conditional probability. at least. suppose that 48% of people own d…
$0.2304$
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due to a manufacturing error, four cans of regular soda were accidental…
No
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what is the definition of situational irony? a situation in which an au…
A situation in which what happens is the opposite of what was expected to happen
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a cbs news poll conducted june 10 and 11, 2006, among a nationwide rand…
$P(\text{worse}|\text{affiliated with neither party})\approx0.5153$ $P(\text{affiliated with neither party}|\text{worse})\approx0.3947$ $P(\text{affiliated with neither party and …
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due to a manufacturing error, four cans of regular soda were accidental…
0.5951
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due to a manufacturing error, four cans of regular soda were accidental…
$0.5951$
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measurement marks are called graduations. the difference in height of t…
$\frac{1}{16},\frac{1}{8},\frac{3}{16},\frac{1}{4},\frac{5}{16},\frac{3}{8},\frac{7}{16},\frac{1}{2},\frac{9}{16},\frac{5}{8},\frac{11}{16},\frac{3}{4},\frac{13}{16},\frac{7}{8},\…
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due to a manufacturing error, four cans of regular soda were accidental…
0.5951
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due to a manufacturing error, four cans of regular soda were accidental…
$0.0392$
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suppose you just purchased a digital music player and have put 9 tracks…
0.494
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suppose you just purchased a digital music player and have put 9 tracks…
$0.309$
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suppose you just purchased a digital music player and have put 9 tracks…
0.198
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suppose you just purchased a digital music player and have put 9 tracks…
(a) The probability that you like both songs is $\frac{1}{6}\approx0.167$. Yes, it is unusual. (b) The probability that you like neither song is $\frac{20}{72}\approx0.278$. (c) T…
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it is the true intent and meaning of this act not to legislate slavery …
Stephen Douglas on popular sovereignty
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suppose you just purchased a digital music player and have put 9 tracks…
(a) 0.167, No (b) 0.278 (c) 0.556
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suppose you just purchased a digital music player and have put 9 tracks…
0.278
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suppose you just purchased a digital music player and have put 9 tracks…
No
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suppose you just purchased a digital music player and have put 9 tracks…
$0.167$
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under communism, the government controls ______ of the means of product…
All
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23. what plan has she formulated for duncan’s demise? what will she do …
23. Lady Macbeth plans to drug Duncan's chamberlains. Macbeth is to kill Duncan while he sleeps. The chamberlains will be blamed for the murder. 24. Macbeth adds that he will smea…
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this past semester, a professor had a small business calculus section. …
$\frac{1}{56}$
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suppose that two cards are randomly selected from a standard 52 - card …
(a) 0.059 (b) 0.063 (rounded to three decimal places)
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suppose that e and f are two events and that p(e)=0.1 and p(f|e)=0.4. w…
$0.04$
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suppose dan loses 28% of all bingo games. (a) what is the probability t…
(a) $0.0784$ (b) $0.0005$ (rounded to four decimal places) (c) $0.0003$ (rounded to four decimal places)
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suppose that events e and f are independent, p(e) = 0.6, and p(f) = 0.6…
$0.36$
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under this form of government, the state/workers will violently overthr…
Communism
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the data on the right represent the number of traffic fatalities by sea…
$P(\text{female})\approx0.314$ C. No. The occurrence of the event "passenger" affects the probability of the event "female."
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the data on the right represent the number of traffic fatalities by sea…
$0.314$
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the following data represent the number of different communication acti…
No, because \(P(\text{male and }1 - 2\text{ activities})\) is non - zero.