According to a study on teenage shopping behavior, it was found that 74% of female teens regularly shop in stores rather than shopping online. If a group of 6 female teenagers are selected at random, what is the probability that at least 3 of them regularly do their shopping in stores? (Round your answer to four decimal places.)

Q: Suppose that 34% of people own dogs. If you pick two people at random, what is the probability that…

A: No.of people select at random = 2 The probability of one person own dogs is, P(one person own dogs)…

Q: According to a recent study, 14% of U.S. drivers are uninsured. A random sample of seven drivers was…

A:

Q: According to a research​ corporation, 46​% of women in a particular region suffer from holiday​…

A:

Q: The probability that an individual has 20-20 vision is 0.14. In a class of 77 students, what is the…

A:

Q: Suppose that 54% of people own dogs. If you pick two people at random, what is the probability that…

A: Given, 54% of the people own dog.That is

Q: It has been estimated that 21% of Americans are smokers. If five American adults are chosen at…

A: From the provided information, It has been estimated that 21% of Americans are smokers that is p =…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A:

Q: A survey on campus revealed that 77% of the students felt that a new attendance policy was unfair.…

A: Given that the probability that the students felt that a new attendance policy was unfair is = 77%…

Q: Eight percent of Americans have a master’s degree. If five Americans are selected at random, what is…

A: Let X represent random variable   n=5 p=0.08   X~ binomial (5, 0.08)

Q: 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you have…

A: the number of trials n=7the number of successes x=0the probability of success on a single trial…

Q: According to Gallup poll, 36% of all college students use an Apple i phone only.  If a sample of 200…

A: 1. Consider that p is population proportion of all college students who use an Apple i phone.

Q: An insurance company found that 16% of drivers were involved in a car accident last year. If 8…

A: Probability of drivers were involved in a car accident last year(p)=0.16sample size(n)=8Let "x" be…

Q: Twenty percent of all undergraduates at a university are chemistry majors. In a random sample of…

A: Given information:Population proportion (p) = 20%                                         p =…

Q: When purchasing boards from a wood supplier, it has been documented that 44% of the boards that are…

A: Given that  Sample size n =300 Population proportion p=44%=0.44

Q: According to a study, 20% of corporate officers are women. Suppose that you select a random sample…

A:

Q: In a survey of 500 individuals, it was found that 60% of them prefer tea over coffee. Of those who…

A: Answer: To find the probability, we need to calculate the proportion of individuals who prefer tea…

Q: Suppose that 24% of people own dogs. If you pick two people at random, what is the probability that…

A: Given 24% of people own dogs

Q: Approximately 16% of people are left-handed. If two people are selected at random, what is the…

A:

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

A:

Q: It has been estimated that 21% of Americans are smokers. If four American adults are chosen at…

A: Given that, proportion, p= 21%  p= 0.21 So q= 1-p= 1-0.21 = 0.79 And sample size is n= 4 So X~…

Q: etter than those without cats? To help answer this question, a cat enthusiast obtained a random…

A: Do you have a Cat? Yes No How well do you sleep? Good Neutral Bad     Good…

Q: what is the probability all three would be smokers?

A: Let , X be the number of smokers Here , X→B(n=3 , p=0.20) The probability mass function of X is ,…

Q: In 2002, approximately 39% of the people eligible to vote in mid-term elections voted. Suppose you…

A: Number of trials n=7Success of probability p=0.39X~binomial (n,p)nCx=n!/x!(n-x)!Probability mass…

Q: Suppose that 53% of people own dogs. If you pick two people at random, what is the probability that…

A:

Q: A sample survey interviews an SRS of 267 college women. Suppose that 70% of college women have been…

A: The distribution of data follows normality can be checked using the two conditions :  np≥5 n1-p≥5…

Q: In a test for ESP, the experimenter looks at cards that are hidden from the subject. Each card…

A: In this case, each of the subjects has the only option of guessing a card "correctly" (defined as…

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

A: Given that n=100 p= 0.53 q= n-p=0.47 μx= n*p= 53 Standard deviation= σ= sqrt(n*p*q)=4.991   Add…

Q: university study involves a simple random sample of 26 students taken from a population of​ 12,550.…

A: Given that Simple random sample size (n) = 26 Population size  = 12,550 Undergraduate students make…

Q: One manufacturer claims that only 10% of its total production is defective. 28 items are randomly…

A: Let, X=the number of defectives n=number of trial=28  p=probability of success=10%=0.10   X follows…

Q: In a poll conducted by the general social survey, 70% of respondents said that their jobs were…

A: Probability of respondents said that their jobs were sometimes or always stressful(p)= 0.70sample…

Q: An insurance company reported that 75% of adults stated they are distracted by their smart phone…

A: Number of trail n=8Probability of success p=0.75X~Bin(n,p)