The overhead reach distances of adult females are normally distributed with a mean of 197.5 cm and a standard deviation of 8.3 cm. a. Find the probability that an individual distance is greater than 210.90 cm. b. Find the probability that the mean for 25 randomly selected distances is greater than 195.70 cm. c. Why can the normal distribution be used in part (b), even though the sample size does not exceed 30? a. The probability is (Round to four decimal places as needed.) OFFER

Q: Listed below are the heights (cm) of winning presidential candidates and their main opponents from…

A: The regression equation is obtained by using the formula :   ŷ= a + bx…

Q: 1 A transportation engineering determine the proper design of bike on bike-lane widths and average…

A: Given, Independent variable (x) = Distance(m) Dependent variable (y)  = Lane width(m) By applying…

Q: Question #3  END NEED Samples of body temperatures were collected for a group of women and a group…

A: Given: Women: Sample size n1=15 Sample mean x¯1=98.38 Sample standard deviation s1=0.45 Men: Sample…

Q: calculate the number of patients who are continent and incontinent at 3 months in each group by…

A: Contingency table are used to measure the frequency or count of the data set. It is also known as…

Q: A data set includes 103 body temperatures of healthy adult humans having a mean of 98.9°F and a…

A: Given information- Sample size, n = 103 Sample mean, x-bar = 98.9 ℉ Sample standard deviation, s =…

Q: Find the standard deviation for the following six cities with relatively high cost of living.…

A: Given: n = 6 Formula Used: Standard deviation s = ∑Xi-X2n-1

Q: #2 A security guard knows that the time it takes to make the rounds in a certain warehouse is a…

A: Given,mean(μ)=18standard deviation(σ)=3.2sample size(n)=64

Q: A marketing survey involves product recognition in New York and California. Of 679 New Yorkers…

A: given data  n1 = 679    x1 = 256p^1 = x1n1 = 256679 = 0.3370 n2 = 631    x2 = 208 p^2 = x2n2 =…

Q: A random sample of 21 college men's basketball games during the last season had an average…

A: given data, n=21x¯=5149s=1777df=n-1=21-1=20A)CI=0.90α=1-0.90=0.10

Q: In a study of government financial aid for college students, it becomes necessary to estimate the…

A: According to given question,  We have:-  we assume Point Estimate of population proportion when not…

Q: Let X be the amount of time (in hours) the wait is to get a table at a restaurant. Suppose the cdf…

A: P(X≥5/3)=?

Q: There are 26 balls marked with alphabetical order A to Z. What is the of selecting vowels listed…

A: given data  26 letters of alphabet 26 balls  P(vowel  selected ) = ?

Q: Consider the experiment of rolling a pair of dice. Suppose that we are interested in the sum of the…

A: The sample space of rolling a pair of dice is, Sample space…

Q: Some states now allow online gambling. As a marketing manager for a casino, you need to determine…

A: given data, here proportion value is not given so assume that p=q=0.5E= no more than 3%E≤0.03n=?

Q: Find the probability that the average length of a randomly selected bundle of steel rods is between…

A: Given that  X ~ Normal (mean = 202.8 , standard deviation =  0.7) n = 29

Q: Twelve different video games showing substance use were observed and the duration of times of game…

A: Assume that σ is the population standard deviation of the duration times of game play.

Q: the following problem, check that it is appropriate to use the normal approximation to the binomial.…

A: Given n=732 P=0.036

Q: Suppose you are testing the hypotheses H0:μ=10 and Ha:μ≠10, and the p−value is 0.06. Would a 95%…

A: Given data: H0:μ=10  Vs.  Ha:μ≠10 Two tailed test p−value  =  0.06. To find: Would a 95% confidence…

Q: 4. According to the credit rating agency Equifax, credit limits on newly issued credit cards…

A:

Q: A poll was conducted to investigate opinions about global warming. The respondents who answered yes…

A: It is needed to test whether the sex of the respondent is independent of the choice for the cause of…

Q: In a study of cell phone use and brain hemispheric​ dominance, an Internet survey was​ e-mailed to…

A: It is given that, n=2416 and x=1010.

Q: Express the confidence interval (0.092,0.146) in the form of p-E<p<p+E. <p<(Type integers or…

A: given data  confidence interval : (0.092,0.146) we have to represent it in form of p^ - E…

Q: K What are the two requirements for a discrete probability distribution? Choose the correct answer…

A: The two requirements for a discrete probability distribution.

Q: 5. The plot below is an example of a Probability Calculation for a person in the group 75 inches or…

A: Here option D is correct. The plot below is an example of Normal Probability Distribution.

Q: Question #3  Samples of body temperatures were collected for a group of women and a group of men.…

A: Given Information: Women: Sample size n1=15 Sample mean x¯1=98.38 Sample standard deviation s1=0.45…

Q: "Trydint" bubble-gum company claims that 5 out of 10 people prefer their gum to "Eklypse". Test…

A: Given data, claim:5 out of 10people prefer their gum to…

Q: Listed below are the top 10 annual salaries (in millions of dollars) of TV personalities. Find the…

A: Let us denote the given sample values as X: Mean: X¯=∑Xn =40+38+36+28+....+12.7+11.910 =22.86

Q: Samples of body temperatures were collected for a group of women and a group of men. The summary…

A: given data x¯ = 98.38s1 = 0.45n1 = 15x¯2  = 98.17s2 = 0.65n2 = 91α = 0.01

Q: Assume that a simple random sample has been selected from a normally distributed population and test…

A: Method:  Reject H0. If P-value is less than the level of significance alpha

Q: Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0…

A: given data    standard normal distribution ,  Z~N(0,1) P(z&lt;0.48) -  = ?

Q: Listed below are the annual tuition amounts of the 10 most expensive colleges in a country for a…

A: given data, n=10 outcomes we have to find out the mean , midrange , median and mode for the given…

Q: Suppose we have a bowl with 10 marbles - 2 red marbles, 3 green marbles, and 5 blue marbles. We…

A:

Q: se the sample data and confidence level given below to complete parts​ (a) through​ (d).   A drug is…

A: given data, x=118n=4409p^=xn  =1184409   =0.0268CI=0.90

Q: K In a large clinical trial, 395,956 children were randomly assigned to two groups. The treatment…

A: Formula used:  p = x/n

Q: We define the ratio random variable of two random variables X and Y is Z = . (a) If X~ Binomial (3,…

A: Given that the ratio random variable of two random variables X and Y is Z=XY.

Q: Out of first 20 natural numbers, one number is selected at random. The probability that it is either…

A:

Q: The assets (in billions of dollars) of the four wealthiest people in a particular country are 45,…

A: Given that: Assets (in billion of dollars) of 4 wealthiest people: 45, 28, 21, 18

Q: Archeologists have studied sizes of Egyptian skulls in an attempt to determine whether breeding…

A: Given,sample size(n)=8degrees of freedom(df)=n-1df=8-1=7

Q: Hello, I submitted your answer and it says it incorrect. Our text book uses zcore tables up to 4…

A: Given that Sample size =16 Standard deviation (σ)=2.05 We have to find the confidence interval for…

Q: A poll found that 83% of American adults believed that there was a conspiracy in the death of…

A: Given  Population proportion p=0.83, X=869, n=sample size=1060 Level of significance ɑ=0.10

Q: In 1945, an organization asked 1408 randomly sampled American citizens, "Do you think we can develop…

A: According to policy we answer only first three part for remaining please repost the question.

Q: We wish to estimate what percent of adult residents in Ventura County like chocolate. Out of 400…

A: Given  X=349, n=400  Level of significance ɑ=0.05

Q: ose that the length X of the life (in years) of a battery for a computer has a distribution that car…

A:

Q: Here are prices and screen sizes (in inches, measured diagonally) for 7 different sizes of one brand…

A: Solution : Let y = price to x = screen size.

Q: neve through a cer marked as sp You've heard that at ist 65% of the email you You suspect this is…

A: given data, claim: p≥0.65n=57x=29p^=xn=2957=0.5088

Q: For the given​ data, (a) find the test​ statistic, (b) find the standardized test​ statistic, (c)…

A:

Q: Suppose we have a bowl with 10 marbles - 2 red marbles, 3 green marbles, and 5 blue marbles. We…

A: Total number of marbles are n= 10  number of green marbles are n(G)= 3 and number of blue marbles…

Q: Assume that a randomly selected subject is given a bone density test. Those test scores are normally…

A: given data  standard normal distribution Z~N(0,1)  find P(x&gt;0) = ?

Q: The Psychology Club is trying to submit their budget for the semester to the Office of Student…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: The following are 30 UAS scores for the UT Statistics Student PPD Course. 75 89 47 80 65 59 60 75 84…

A: The following information has been provided: 56 75 89 47 80 65 55 78 90 59…