(a) At a meeting of 15 marketing personnel, what is the probability that 10 or more are extroverts? What is the probability that 5 or more are extroverts? What is the probability that all are extroverts? (b) In a group of 4 computer programmers, what is the probability that none are introverts? What is the probability that 2 or more are introverts? What is the probability that all are introverts?

Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 50% of all…

A: If we have n trials each having two outcomes, say Success and Failure, trials being independent and…

Q: About 12% of people write with their left hands.  A class of 25 students meets in a classroom with…

A: Given information- We have given a problem of the binomial distribution. We have given that 12% of…

Q: Given the probability that "she's up all night 'til the sun" is 0.29, the probability that "she's up…

A: According to the provided information, P (she's up all night 'til the sun) =0.29 P (she's up all…

Q: In a chocolate factory, 30% of all chocolates made contain caramel in the center.  (a) What is the…

A: Let chocolate made containing caramel be considered a success. Thus, p = probability of success =…

Q: Suppose on a CD, you like 8 out of 22 songs. If you randomly select four songs to be played once,…

A: Solution

Q: Approximately 5.3% of Americans have French heritage. If you randomly select 350 Americans and ask…

A: Obtain the approximate probability that less than 3% of them to have French heritage. The…

Q: 1. A survey magazine subscribers showed that 45.8% rented a car during the past 12 months for…

A: Let the event of renting a car for business reasons be A and for personal reasons be B.Given…

Q: 2. Recently, a nurse commented that when a patient calls the medical advice line claiming to have…

A:

Q: The television show Pretty Betty has been successful for many years. That show recently had a share…

A: Given,n=10p=0.31q=1-pq=1-0.31q=0.69Let a random variable X~Binomial(n=10 , p=0.31)P(X=x)=10x 0.31x…

Q: Suppose Nate wins 34% of all checker games. (a) What is the probability that Nate wins two checker…

A: Probability is a concept that everyone uses in their day-to-day life. We use the word probably, for…

Q: A store owner reports that the probability that a customer who purchases a lawn mower will also…

A: The question is asking for the best interpretation of a given probability. The probability in…

Q: 1. Thirty percent of those sent to jail are repeat offenders. Twenty percent of those sent to jail…

A:

Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 70% of all…

A: (a) Obtain the probability that 10 or more are extroverts. The probability that 10 or more are…

Q: The following Table shows information dbout STudents in d business/ 1 College. morning sTudents or…

A: Required probability is P(a part time student)

Q: dents in a faculty study in A department, 30% in B department and the rest in C department. The…

A: Define the following events  A: studying in department A B: studying in department B C: studying in…

Q: Suppose approximately 80% of all marketing personnel are extroverts, whereas about 60% of all…

A: Binomial Distribution : The PDF of the binomial distribution is given as P(X=x)= nx·px·(1-p)n-x…

Q: about 38% of the population have blood type-O positive. If you randomly choose 4 people, what is the…

A: It is given that p = 0.38 and n = 4. The probability mass function of the binomial distribution is…

Q: The guidance counselor of a large high school reports that 48.5% of Junior Pre-Calculus students…

A: Let S denote the students sign up to take AP statistics next year and C denotes the students sign up…

Q: If the mean of the following probability distribution is 3.44, what is the variance? 3 4 P(X=x) 0.23…

A: We have to find the variance of the probability distribution.

Q: The manager of a restaurant claims that only 3% of the customers are dissatisfied with the service.…

A: Given thatProbability (p) = 0.03n = 5  Here we will use binomial distribution because probability of…

Q: Suppose approximately 80% of all marketing personnel are extroverts, whereas about 50% of all…

A: Binomial distribution: The binomial distribution gives the probability of number of successes out of…

Q: About 16% of the population of a large country is hopelessly romantic. If two people are randomly…

A: P(hopelessly romantic) = p = 0.16P(not hopelessly romantic) = 1-0.16 = 0.84select two people at…

Q: Suppose that the probability that someone in NYC has been exposed to monkeypox is 10%. (a) Find the…

A: The question is about discrete probability distribution Given : Prob. that someone has been exposed…

Q: Suppose that a chewing gum company claims that 87% of dentists recommend their chewing gum. Dustin…

A:

Q: A teacher at Soledad Prison has 22 thugs in his class, including the “extra-mean” thugs Bluto,…

A: We have to use hypergeometric distribution to find the probabilities.

Q: Cathy is planning to take the Certified Public Accountant Examination (CPA exam). Records kept by…

A: Let X be the random variable defined as the number of times a person takes the CPA exam until the…

Q: Suppose approximately 75% of all marketing personnel are extroverts, whereas about 60% of all…

A:

Q: According to insurance records, a car with a certain protection system will be recovered 95% of the…

A:

Q: (a) What is the probability that of 10 laborers testing positive, 2 are cocaine users, 5 marijuana…

A:

Q: 2. A restaurant owner has calculated that 75% of customers order a drink with their meal, and this…

A: n=3p=0.75q=1-pq=1-0.75=0.25A random variable XBinomial(n=3 ,p=0.75)

Q: You go to a casino that has 200 slot machines: in 100 of them players win 35% of the time, while in…

A:

Q: A student is preparing for the quiz "Who Wants to Be a Millionaire" and is purchasing an…

A: Given that,A student is preparing for the quiz "Who Wants to Be a Millionaire" and is purchasing an…

Q: (a) What is the probability that a student is a male, given that the student is a junior? (b) What…

A: a) The number of students are male and juniors is 2700.

Q: (a) 38% of customers at the snack counter of a movie theater buy soft drinks. Among those who buy…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: Suppose on a CD, you like 7 out of 19 songs. If you randomly select four songs to be played once,…

A: Solution

Q: At a certain gas station, 30% of all customers use the restroom. What is the probability that, out…

A: a)Suppose a random variable x, defines the number of customers use the restroom.

Q: Suppose approximately 80% of all marketing personnel are extroverts, whereas about 55% of all…

A: From the provided information, 80% of all marketing personnel are extroverts, whereas about 55% of…

Q: Cathy is planning to take the Certified Public Accountant Examination (CPA exam). Records kept by…

A: Let p and q is the probability to get success (pass) and failure in the exam by a person who…

Q: Cathy is planning to take the Certified Public Accountant Examination (CPA exam). Records kept by…

A: It is given that 81% of students who graduated pass the exam.