About 10% of all adults deliberately do a one-time fling and feel no guilt about it. In a group of seven adult friends, what is the probability that at least four people do not have done a one-time fling?

Q: In a Gallup Survey, 90% of the people interviewed were unaware that maintaining a healthy weight…

A: Given Information: 90% of the people interviewed were unaware that maintaining a healthy weight…

Q: Fifty-eight percent of American adults eat at a table-service restaurant at least once a week.…

A:

Q: Although studies continue to show smoking leads to significant health problems, 20% ofadults in the…

A: According to the provided information, 20% of adults in the United States smoke. Consider a group of…

Q: If 25 percent of students at a particular school use mechanical pencils, what is the probability of…

A: Given Information: The percentage of students using mechanical pencils =25% Number of the sample…

Q: It was estimated that 30% of all seniors on a campus were seriously concerned about employment…

A: Let us denote: E=seriously concerned about employment prospects G= seriously concerned about grades,…

Q: 10. At John F. Kennedy Elementary School, 81% of students buy their lunch. In a randomly selected…

A: We have given that p = 0.81 n = 22 X ~Binomial(n, p) X ~ Binomial (22, 0.81)The PMF of the Binomial…

Q: In a government aid program, the following data is collected. Of the people who attend the program,…

A: We have to find out given probabiity..

Q: According to the U.S. Coast Guard, sixty-five percent of boating accidents occur in light wind…

A: From the provided information, Sample size (n) = 20 Sixty five percent of boating accidents occur in…

Q: Fifty-NINE percent of American adults eat at a table-service restaurant at least once a week.…

A: GivenNo.of American adults eat at a table service restuarant =0.59

Q: Although studies continue to show smoking leads to significant health problems, 20% of adults in the…

A: Note: Hey, since multiple sub parts are posted, we will answer first three sub parts according to…

Q: A cell phone company found that 75% of all customers want text messaging on their phones, 80% want…

A: Given: Let's say that the total population is 100. Number of people want messaging is 75 Number of…

Q: 3/ A marketing survey indicates that 40% of the population owns an automobile, 45% owns a house, and…

A: Let us denote A= automobile  H= house  Given that P(A)=40%=0.40  P(H)=45%=0.45 P(A and H)=20%=0.20

Q: In a survey of 2000 adults 50 years and older of whom 60% were retired and 40% were pre-retired, the…

A:

Q: At a soup kitchen, a social worker gathers the following data. Of those visiting the kitchen, 59…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: A marketing research survey shows that approximately 80 percent of car owners surveyed indicated…

A: Introduction :-  Here we have to find various probabilities. Given, A marketing research survey…

Q: Students in a school were surveyed about their study habits. Forty-two percent of students said they…

A: Let weeknight = A and weekends=B P(A∩B) =42100=2150 P(B) =47100 P(A∪B) = 65100=1320 P(A) =? (have to…

Q: About IO percent of the population is left-handed. Ofthose who are right-handed, about 40 percent…

A: Multiplication Rule:Multiplication rule for two dependent events A, and B is given by:

Q: According to the Federal Insurance Agency statistics, the proportion of teenage drivers between the…

A: It is given that n=100 and p=0.54.

Q: About 10% of all adults deliberately do a one-time fling and feel no guilt about it. In a group of…

A: Answer: Given that: p= 0.1 , n= 7 now will use Binomial probability P(X=x)=nx*px*(1–p)n–x,where…

Q: Fifty percent of all technical assistants would like to have a PC. Eighty percent of all technical…

A: Fifty percent of all technical assistants would like to have a PC. That is, PHave PC=0.50, eighty…

Q: According to the Cable and Telecomm. Association for Marketing, 30% of cable television subscribers…

A: Given : n = 15 p = 0.30 Let X be the number of cable television subscribers.

Q: Fifty percent of all technical assistants would like to have a PC. Eighty percent of all technical…

A: Given Information: 50% of all technical assistants would like to have a PC. That is PPC=0.50 80% of…

Q: As part of a promotional campaign, a store is offering a free Fitbit with the purchase of the new…

A: Let A denote the event that iPhone are faulty  Let B denote the event that Fitbits are faulty The…

Q: A major appliance retailer claims that 18% of its sales are dishwashers. If 112 appliances are sold…

A: Given info: Here, n=112, p=0.18.

Q: A recent survey found that 62% of the households surveyed had internet access,68% had cable TV, and…

A: Given, A recent surveyA=households survyed has internet accessB= has cable TVPA=62%  =0.62…

Q: A coach claims that no more than 1/4 of undergrad students will attend football games. What is the…

A: Central limit theorem: The central limit theorem states that the sampling distribution of the sample…

Q: Migraine medication was administered to patients in that 2% experienced weight gain as a side…

A:

Q: 47 percent of students who made a resolution of passing college with high GPA achieved their…

A: Given that, n =155, p =0.47 The values of mean and standard deviation are,

Q: In a survey of 2000 adults 50 years and older of whom 40% were retired and 60% were pre-retired, the…

A: Let us denote the event: R=retired  P=Pre-retired  N=answered No Y=Answered yes Given that…

Q: In the 2012 presidential election, exit polls from the critical state of Ohio provided the follow…

A: Let O and C denote the respondents for Obama and the respondents with college degrees respectively.…

Q: About 14​% of the population of a large country is hopelessly romantic. If two people are…

A:

Q: Out of a survey of 400 customers, under the assumption that 0.5 is the correct proportion, what is…

A: From the provided information, Sample size (n) = 400 Proportion (p) = 0.5

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: One-fourth of the students have a Master’s degree, the remaining students have Bachelor’s degree.…

Q: When drawing a card from a well–shuffled deck, all fifty–two cards are equally likely. What is the…

A: We know that, in a deck of 52 cards we have 4 suits namely, hearts, diamonds, spades, and clubs.…

Q: Computer keyboard failures can be attributed to electrical defects or mechanical defects. A repair…

A: Given data:     The total number of failed keyboards are: n=25 The number of electric defects failed…

Q: According to an article in the February 1991 issue of Reader’s Digest, patients face a 1 in 20…

A: From the provided information, Patients face 1 in 20 chance of acquiring an infection while…

Q: A Harris Interactive survey for Inter- Continental Hotels & Resorts asked respondents,       “When…

A: a) 23% of the respondents stick with their tour group  So, p = 0.23 size of the sample, n=6…

Q: Migraine medication was administered to patients in that 2% experienced weight gain as a side…

A:

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: One-fourth of the students have a Master’s degree, the remaining students have Bachelor’s degree.…

Q: According to a survey, 31% of teenagers could recognize a picture of legendary film star John Wayne.…

A: We have to find out given probability that Rendomly selected  teenagers could recognize John…

Q: A marketing research survey shows that approximately 80 percent of the car owner surveyed indicated…

A: Probability of an event is chances of occurrence of the event. Probability of an event is computed…

Q: it is estimated that 4800 of the 24,000 voting residents of a town are against a new sales tax. If…

A: Given: Number of residents against a new sales tax (x)= 4800 Total voting residents (N)=24000

Q: Migraine medication was administered to patients in that 12% experienced weight gain as a side…

A: We have to find probability..

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: One-fourth of the students have a Master’s degree, the remaining students have Bachelor’s degree.…

Q: Given that 58% of all gold dealers believe next year will be a good one to speculate in S out Africa…

A:

Q: A survey reports that 53% of college students use Google as their search engine.  If 100 students of…

A:

Q: Researchers at a reputable university and a reputable health organization claim that approximately…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: Sixty-three percent of U.S. households have a personal computer. In a random sample of 400…

A: Let p be the proportion of households have a personal computer. Given that p = 0.63 Let X denote the…

Q: Of all the students who take the CPA examination, one-fourth have a Master’s degree and the…

A: The probability of any two events A and B is given below: