Statistics & Probability
Data analysis, probability distributions, hypothesis testing, and statistical methods.
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section 5.1 homework score: 10/17 answered: 10/17 question 11 giving a …
\(0.3571\)
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score: 9/17 answered: 9/17 question 10 as shown above, a classic deck o…
a) 0.0192 b) 0.2500 c) 0.2308
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section 5.1 homework score: 8/17 answered: 9/17 × question 9 score on l…
0.0833
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section 5.1 homework score: 7/17 answered: 7/17 question 8 a bag of m&m…
a) $0.2353$ b) $0.4706$ c) $0$
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section 5.1 homework score: 6/17 answered: 6/17 question 7 a bowl conta…
$\frac{1}{7}$
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section 5.1 homework score: 6/17 answered: 6/17 question 7 a bowl conta…
No, black, $\frac{1}{7}$
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a group of people were asked if some people see the future in their dre…
$0.4322$
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section 5.1 homework due friday by 11:59pm points 17 submitting an exte…
# Explanation: ## Step1: Assume total number of people is 1 Let the total number of people be considered as 1 whole. ## Step2: Determine number of 'yes' - responders We know 303 r…
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section 5.1 homework score: 4/17 answered: 4/17 question 5 a die is rol…
(a) 0.1667 (b) 0.5000 (c) 0.3333
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question 4 a special deck of cards has 5 red cards, and 4 purple cards.…
a. 9 b. 0.556 c. 0.444
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giving a test to a group of students, the grades and gender are summari…
0.5882
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a poll showed that 48.2% of americans say they believe that some people…
51.8%
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read the passage from a raisin in the sun. lindner: but youve got to ad…
A. disdainful and demeaning
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what is the theme of a text? the writers selection of particular words …
the message a text conveys about a topic that could apply to other literature or to life
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section 5.2 homework score: 10.67/15 answered: 11/15 question 12 150 ba…
The empirical probability that a randomly - chosen fan will answer 'yes' is 0.94. The empirical probability that a randomly - chosen fan will answer 'no' is 0.06.
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read the passage from a raisin in the sun. lindner: yes - thats the way…
Lindner's good manners and polite words show that segregation can be subtle and indirect.
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section 5.2 homework score: 9.67/15 answered: 10/15 question 11 a jar c…
(a) \(\frac{3}{5}\) (b) \(\frac{1}{2}\) (c) \(\frac{4}{5}\) (d) \(\frac{7}{10}\)
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the table summarizes results from 987 pedestrian deaths that were cause…
\(0.7700\)
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section 5.2 homework score: 7.67/15 answered: 8/15 question 9 in a larg…
$0.97$
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a survey of athletes at a high school is conducted, and the following f…
67%
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score: 5.67/15 answered: 6/15 question 7 as shown above, a classic deck…
a) 0.0192 b) 0.5000 c) 0.3077
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after giving a test to a group of students, the grades and gender are s…
$P(\text{B})=\frac{18}{54}\approx0.3333$ $P(\text{Female and B})=\frac{2}{54}\approx0.0370$ $P(\text{Male or B})=\frac{31 + 18- 16}{54}=\frac{33}{54}\approx0.6111$
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section 5.2 homework score: 4/15 answered: 4/15 question 5 find the ind…
$P(B)=0.4$ No
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section 5.2 homework score: 3/15 answered: 3/15 question 4 find the ind…
$P(A\ and\ B)=0$ Yes
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section 5.2 homework score: 2/15 answered: 2/15 question 3 find the ind…
$P(A\ and\ B)=0.18$ No
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question 3 of 40 a student was given two data sets, set a and set b. wh…
D. Set A is an exponential function and the values increase at a faster rate than Set B.
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section 5.2 homework score: 1/15 answered: 1/15 question 2 find the ind…
$0.55$
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section 5.2 homework score: 0/15 answered: 0/15 question 1 a bag of m&m…
a) $0.1429$ b) $0.5000$ c) $0.7143$
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identify the type of probability (classical, empirical, or subjective) …
(a) Classical probability (b) Empirical probability (c) Subjective probability
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identify the type of probability (theoretical, empirical, or subjective…
(a) Theoretical (b) Empirical (c) Subjective
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which type of probability was used in the following example? if you rol…
Classical
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which type of probability was used in the following example? the probab…
C. Subjective
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a may 2011 gallup poll found that many americans believe in ghosts and …
| Phenomenon | Frequency | Probability | |--|--|--| | Psychic Healing | 355 | 0.23 | | ESP | 294 | 0.19 | | Ghosts | 355 | 0.23 | | Astrology | 263 | 0.17 | | Channeling | 278 | 0…
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that represents the data. choose an option from each dropdown menu to c…
The line plot has 9 dots plotted on it. The least value on the line plot is $12\frac{4}{5}$. The height of $12\frac{4}{5}$ centimeters occurs most often on the line plot.
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use the spinner below to find the probability of getting the following …
$0.8333$
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the table summarizes results from pedestrian deaths that were caused by…
$0.3266$
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as shown above, a classic deck of cards is made up of 52 cards, 26 are …
a. 0.0192 b. 0.2500 c. 0.4615
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section 5.1 homework score: 8/17 answered: 8/17 question 9 two dice are…
$0.1667$
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chucky grabbed 11 items in the grocery store. each item had a different…
B. Both the mean and median will increase, but the mean will increase by more than the median.
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section 5.1 homework score: 7/17 answered: 7/17 question 8 a bag of m&m…
a) 0.35 b) 0.5 c) 0
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chucky grabbed 11 items in the grocery store. each item had a different…
B. Both the mean and median will increase, but the mean will increase by more than the median.
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section 5.1 homework score: 6/17 answered: 6/17 question 7 a bowl conta…
Is each outcome equally likely? No Which outcome is more likely? Red $P(\text{White})=\frac{4}{11}$
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liam works at a zoo. he was looking at some data showing the masses of …
C. The mean will decrease, and the median will stay the same.
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a group of people were asked if some people see the future in their dre…
$0.4727$
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a group of people were asked if some people see the future in their dre…
$0.4727$
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ariana was looking at rent costs for 5 apartments. each rent was a diff…
D. Both the mean and median will decrease, but the mean will decrease by more than the median.
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question 6 a group of people were asked if some people see the future i…
$0.4727$
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section 5.1 homework score: 4/17 answered: 4/17 question 5 a die is rol…
(a) 0.1667 (b) 0.5000 (c) 0.3333
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section 5.1 homework score: 3/17 answered: 3/17 question 4 a special de…
a. 9 b. 0.556 c. 0.444
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section 5.1 homework score: 2/17 answered: 2/17 question 3 a phenomenon…
the probability of the event A
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section 5.1 homework score: 1/17 answered: 1/17 question 2 kaitlyn is f…
C. HH, TT, HT, TH
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a college has a financial aid formula that applies to applicants whose …
$f(-4)=8000$, meaning a qualifying applicant with - 4 siblings in their household would get $8000$ in financial aid. This interpretation is not valid in the context of the problem…
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answer attempt 2 out of 2 f(-2)= -34, meaning that -2 seconds after the…
$0\leq x\leq6$
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the stem and leaf plot shows the number of items in each of the 12 coll…
2
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the following histogram summarizes the ages of the 25 employees who wor…
1
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the following histogram summarizes the ages of the 25 employees who wor…
1
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the stem - and - leaf plot shows the number of days of snowfall at a wi…
0
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zip - codes are numerical designations of locations for the purpose of …
0
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the data represent the results for a test for a certain disease. assume…
0.946
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based on a poll, 70% of internet users are more careful about personal …
The probability that at least one of them is careful about personal information is $0.992$. B. It is very possible that the result is not valid because the sample may not be repre…
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walter (lifting his head slowly): mama... i never... went to the bank a…
Watching someone you love suffer is very painful.
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in a certain country, the true probability of a baby being a boy is 0.5…
$0.982$
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fill in the blank. selections made with replacement are considered to b…
independent events
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which word is associated with multiplication when computing probabiliti…
B. And
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height of the object above the ground, in feet, x seconds after being l…
\(f(-2)=-34\), meaning that \(-2\) seconds after the object was launched, the object was \(-34\) feet above the ground. This interpretation does NOT make sense in the context of t…
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center, spread, and shape of distributions: medium google classroom mic…
B. The mean is greater than the median.
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center, spread, and shape of distributions: medium students at schools …
$0.2$
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lindner (taking off his glasses): well—i dont suppose that you feel... …
The words reveal the hypocrisy of the people Lindner represents.
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the box - and - whisker plots show data on the heights, in meters, of a…
0.4
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a research center poll showed that 82% of people believe that it is mor…
0.18
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among 500 randomly selected drivers in the 16 - 18 age bracket, 414 wer…
The probability that a randomly selected person in the 16 - 18 age bracket will be in a car crash this year is approximately $0.828$. Would it be unlikely for a driver in that age…
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a data set lists weights (lb) of plastic discarded by households. the h…
a. $3.361$ b. $3.28$ c. $3.28$ d. significantly high
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the blood platelet counts of a group of women have a bell - shaped dist…
a. 68 b. 99.7
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fill in the blank. the measure of center that is the value that occurs …
mode
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listed below are amounts (in millions of dollars) collected from parkin…
The mean for the security company is $1.48$ million and the mean for the other companies is $1.83$ million. The median for the security company is $1.45$ million and the median fo…
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listed below are the annual tuition amounts of the 10 most expensive co…
A. The mode(s) of the data set is (are) $53846$ E. Nothing meaningful can be concluded from this information except that these are the largest tuitions of colleges in the country …
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listed below are the annual tuition amounts of the 10 most expensive co…
The mean of the data set is $\$52561.10$. The midrange of the data set is $\$52438.50$. The median of the data set is $\$53633.50$. A. The mode(s) of the data set is (are) $\$5384…
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find the (a) mean, (b) median, (c) mode, and (d) midrange for the given…
(a) $1.857143$ (b) $2$ (c) $1,2$ (d) $2.5$ For the question "Do the measures of center make sense?": C. Only the mode makes sense since the data is nominal.
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construct a scatter diagram using the data table. this data is from a s…
C. Yes, as the amount of tar increases the amount of carbon monoxide also increases.
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construct a scatter diagram using the data table. this data is from a s…
The scatter - diagram that best represents the data is C. There appears to be a positive relationship between cigarette tar and CO, meaning as the amount of tar in a cigarette inc…
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for a data set of brain volumes (cm³) and iq scores of six males, the l…
greater than the critical value, is
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for a data set of brain volumes (cm³) and iq scores of six males, the l…
$- 0.811,0.811$
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for a data set of chest sizes (distance around chest in inches) and wei…
Since the correlation coefficient \(r\) is between \(- 0.754\) and \(0.754\), there is not sufficient evidence to support the claim of a linear correlation.
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for a data set of chest sizes (distance around chest in inches) and wei…
$-0.754,0.754$; There is not sufficient evidence to support a claim of a linear correlation between chest sizes and weights of the bears.
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for a data set of brain volumes (cm³) and iq scores of four males, the …
Since the correlation coefficient $r$ is greater than the positive critical value, there is sufficient evidence to support the claim of a linear correlation.
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for a data set of brain volumes (cm³) and iq scores of four males, the …
$-0.950,0.950$; There is a significant linear correlation because the absolute value of the linear correlation coefficient $|r| = 0.989$ is greater than the critical value of $0.9…
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the table lists weights (pounds) and highway mileage amounts (mpg) for …
B. Option Text
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question 18 the dsm classification system is said to be \multiaxial.\ t…
permits multiple diagnoses of a single individual.
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construct a scatter diagram using the data table. this data is from a s…
A. Yes, as the amount of tar increases the amount of carbon monoxide also increases
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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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the table provided below shows paired data for the heights of a certain…
A.
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the table provided below shows paired data for the heights of a certain…
Without seeing the actual data points in the table, we cannot definitively choose the correct scatter - plot or determine the correlation. However, if the points are randomly scat…
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what is a scatterplot and how does it help us? choose the correct answe…
C. A scatterplot is a graph of paired (x, y) quantitative data. It provides a visual image of the data plotted as points, which helps show any patterns in the data.
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when five basketball players are about to have a free - throw competiti…
\(\frac{1}{120}\)
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when testing for current in a cable with seven color - coded wires, the…
21
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a clinical test on humans of a new drug is normally done in three phase…
a. C. 19,958,400 b. 495 c. $\frac{1}{495}$
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a clinical test on humans of a new drug is normally done in three phase…
a. C. 19,958,400 b. 495
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a corporation must appoint a president, chief executive officer (ceo), …
$\frac{1}{1365}$
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winning the jackpot in a particular lottery requires that you select th…
$\frac{1}{5225220}$
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a presidential candidate plans to begin her campaign by visiting the ca…
$\frac{1}{14190}$