What's the Probability that a person polled is female given they are not studying for their final ● What's the Probability that a person polled is not taking there test GIVEN they are male • What's the Probability that a person polled is female given they are studying for the final What's the Probability that a person polled is male given they are studying for the final

Q: A categorical variable is a continuous variable. Select one: a. False b. True

A: Given that  Categorical variables is a continuous variable

Q: who ran the New York marathon are Mean 2.41 hours, standard deviation 0.48 hours, the range of times…

A:

Q: Determine a linear regression equation for the data.  Round the slope and y-intercept to the nearest…

A: Determine a linear regression equation for the data. Round the slope and y-intercept to the…

Q: A travel magazine conducts an annual survey where readers rate their favorite cruise ship. Ships are…

A: The sample size for smaller ships is 35, sample mean is 7.65 and sample standard deviation is 0.5.…

Q: According to College Board the scores on the AP History exam are normally distributed with N(72,…

A: It is given that the scores on the AP History exam are normally distributed with N(72, 7.5).

Q: In a certain region, the mean annual salary for electricians is $58,650. Let x be a random variable…

A: According to the given information, we have Sample mean = 58650 Sample size = 50 Standard deviation…

Q: A statistics instructor gave a four-question true-false quiz to his class of 85 students. The…

A: It is given that a four-question true-false quiz to his class of 85 students.

Q: find the indicated probability using the standar normal distribution P(z > 0.13)   P(z > 0.13)=…

A: Required probability is P(Z>0.13)

Q: What is the seasonality in time series data? How do you control seasonality in time series…

A: The time series data is a collection of data points obtained over time. There are 4 components is…

Q: A doctor wants to estimate the mean HDL cholesterol of all​ 20- to​ 29-year-old females. How many…

A: From the provided information, Margin of error (E) = 3 Standard deviation (s) = 14.9 Confidence…

Q: A New York Times article reported that a survey conducted in 2014 included 36,000 ​adults, with…

A: It is given that  p = 3.66% = 0.0366 Margin of error, E = 2% = 0.02 Confidence level = 95%

Q: Draw two normal curves that have the same mean but different standard deviations. Describe the…

A:

Q: Assume that females have pulse rates that are normally distributed with a mean of μ=72.0 beats per…

A: Given that  Females have pulse rates that are normally distributed with a mean of μ=72.0 beats per…

Q: In a study of the stability of IQ scores, a large group of individuals is tested once at age 18 and…

A: Given At age 18: average score = 100, SD = 10At age 35: average score = 100, SD = 10

Q: suppose 15 percent of the computers in some university labs are defective

A: Let x: be the number of defects Picking a computer is a Bernoulli trial So, x has Binomial…

Q: 14. Use a table of cumulative areas under the normal curve to find the z-score that corresponds to…

A: Let Z be the random variable from normal distribution then We will find the cumulative are…

Q: What is the approximate area under the normal curve between the values -2.1 and 0.46?  Enter a…

A: Given that What is the approximate area under the normal curve between the values -2.1 and 0.46?

Q: From 1987 to 2010, the number BB of federally insured banks could be approximated by…

A: The question is about regression Given : B ( t ) = -324.2 t + 13790 Where, t : year B ( t ) :…

Q: A simple random sample of 400 households is chosen in a certain town with population of 50000. The…

A: Given that  Sample size n =400 Sample mean=8.7 Population standard deviation =9

Q: You are trying to estimate the percent of people in California who have a college degree. You…

A: Given that  Sample size n =60 Favorable cases x =18 Sample proportion p^=x/n  =18/60 =0.3

Q: Use the data values in the table below to calculate the correlation between the variables x and y.…

A: Given x y 5 12.95 6 15.46 7 15.17 8 15.98 9 20.19 10 19.4

Q: What are the main assumptions of the linear regression? Why they are important? How to test if your…

A: The main assumptions of linear regression are as follows: Linearity Normality Homogeneity of…

Q: The weight of fish in Baggins Creek have a mean of 5 pounds and a standard deviation of 1.25 pounds.…

A: Given Information: Mean μ=5 Standard deviation σ=1.25 Sample size n=36

Q: Friday night, the owner of Chez Pierre in downtown Chicago noted the amount spent for dinner for 28…

A: From the above data Count n=28 Mean   Mode : In the given data, the observation 95 occurs maximum…

Q: Bill Alther is a zoologist who studies Anna's hummingbird (Calypte anna).† Suppose that in a remote…

A: The sample mean is 3.75, population standard deviation is 0.98 and sample size is 6.

Q: The times in hours for 200 people who ran the New York marathon are Mean 2.41 hours, standard…

A: It is given that  The quartiles and median are 2.1, 2.6 and 2.8 hours.

Q: The data represents the heights of eruptions by a geyser.   Use the heights to construct a stemplot.…

A: Given that   The data are  61,37,50,90,80,50,40,70,50,68,75,59,58,66,68,60,73,70,47,88

Q: How does an outlier affect the mean absolute devlation?

A: Mean absolute deviation is calculated using the formula: MAD = ∑xi - x¯n xi = Input data values x¯ =…

Q: Question 8. During September 2018, United Airlines introduced a new two-line boarding process…

A: From given data we have :x¯1=7   x¯2=12n1=41.5n2=54.9s1=9.1s2=14.1

Q: From the figure, what is P(X> 1.32) or P(X < 0.02)? Do not round.

A: the uniform distribution of a  random variable X is given  in the picure here x~∪(0,2)here a=0b=2

Q: Medians n = X = 11.9% S= 4) Divide the data into 3 groups by gun deaths: 0-9, 9.1-12 and 12.1-20.…

A: Given information: State Poverty% GunDeaths H.S.Grad's Unemployment New Jersey 6.80% 5.7 91.8…

Q: Car Window Skin Cancer? A study suggests that exposure to UV rays through the car window may…

A:

Q: Calculate the pp -value. Round to four decimal places. Make a decision. Reject the null hypothesis…

A:

Q: One hundred draws will be made at random with replacement from a box with four tickets: 3, 5, 7, 9.…

A: Given One hundred draws will be made at random with replacement from a box with four tickets: 3, 5,…

Q: Assume the random variable x is normally distributed with mean μ = 84 and standard deviation o= 5.…

A: Given that  Mean = 84 , Standard deviation = 5

Q: A researcher with the Department of Education followed a cohort of students who graduated from high…

A: Given that.  Sample size n1=253 , n2=1129 Sample mean x1 =5.36 , x2=4.40 s1=1.161 , s2=1.015

Q: Annual high temperatures in a certain location have been tracked for a sample of 7 years. Let X…

A: The data shows the year and the high temperature for a sample of 7 years.

Q: P VALUE? TEST STATISTIC? CONFIDENCE INTERVAL ___TO____

A: Given Information: Group 1: Sample size n1=265 Sample mean x¯1=5.49 Sample standard deviation…

Q: Describe your dataset here, add a screenshot of it. # of variables: # of observations: Size of the…

A: Data analysis

Q: Suppose you roll a special 13-sided die. What is the probability that the number rolled is a "1" OR…

A: Given that  Roll a special 13-sided die Sample size = S = (1,2,3,4,5,6,7,8,9,10,11,12,13)

Q: lighting company ships decorative strings of lights across the country. The strings of lights range…

A:

Q: Calculate the correlation. r = Rou

A: Here wehave given the data, Using this data we have to find the correlation coefficient between the…

Q: One hundred draws will be made at random with replacement from a box with four tickets: 1, 3, 5, 7.…

A: total 4 outcomes possible : {1,3,5,7}P(draw 7) = p =14 = 0.25x = no. of time 7 drawnP(x&lt;31) = ?

Q: The data below represent the results of a study of total scratch-off lottery ticket winnings in 2021…

A: Given the data represent the results of a study of total scratch-off lottery ticket winnings in 2021…

Q: Does it pay to ask for a raise? A national survey of heads of households showed the percentage of…

A: event A: asked for raise event B : receive raise P(A)  = 0.20 P(B|A) = 0.56 P(A∩B) = ?

Q: find the indicated probability using the standar normal distribution P(z<0.13)   P(z<0.13)=…

A: Required probability is P(Z&lt;0.13)

Q: Research Question: Are classic boulders harder to complete than modern boulders? State the observed…

A: Given that out of 56 modern style boulders 37 were completed and out of 49 classic boulders 30 were…

Q: 24 employees were randomly divided into two groups of 12. Both groups participated in a 2-week…

A: Solution: State the hypotheses. Null hypothesis: H0: The motivational material has no effect.…

Q: ssume that a procedure yields a binomial distribution with a trial repeated n=17 times. Find the…

A: given data, binomial distributionn=17x=6p=0.69q=1-0.69=0.31p(X=6)=?p(X=x)=nCx*px *qn-x ( binomial…

Q: The amount of rainfall per month in Gotham City is normally distributed with a mean of 2.75 inches…

A: