The probability that an UofM student is from the Greater Toronto Area is only .25. What is the likelihood that you would have to interview two people in the university circle to find the first one who was from Toronto?

Q: The mean number of patients admitted per day to the emergency room of a small hospital is 1.5. If,…

A: Let X represent the number of patients admitted per day λ=1.5   X~ Poi (1.5)

Q: (a) If a random sample of 50 one-bedroom apartments is selected, what is the probability that the…

A:

Q: ​(a) What is the probability that among 12 randomly observed​ individuals, exactly 8 do not cover…

A: Consider a random variable X which represents the number of individual who will not cover his or her…

Q: In certain weather forecast , the chance of a thunderstorm is started as 13 % .Express the indicated…

A:

Q: Catherine Chao, director of marketing research, needs a sample of Kansas city households to…

A:

Q: The coach of a running team thinks that 45% of athletes can run a mile in under 7 minutes. A simple…

A: Given problem Given that   The coach of a running team thinks that 45% of athletes can run a mile…

Q: A university administrator expects that 25% of students in a core course will receive an A. He looks…

A:

Q: Every year, many people hiking the Australian Outbacks are reported to be lost, and around 34% of…

A: Conditional Probability: Let A and B be two events with P(A) > 0. Then the conditional…

Q: In any given sampling, there is a 54% chance that a new invasive fish to be sampled along with other…

A: Probability: Probability is a chance factor that can occurs at every outcome of a random experiment.…

Q: The leading brand of powdered milk in the Philippines has a market share of 45%. A sample of 14…

A: X: the leading brand of powdered milk in the philippinesX~Binomial(n,p)where n=14…

Q: In a Gallop Poll, 35% of 30 - 49 states that they believe in ghosts. Find the probability that out…

A: (a) The probability that college students do not believe in ghosts is, P(do not believe in ghosts)…

Q: The lifetime of a AAA battery is normally distributed with mean µ= 26.5 hours and standard eviation…

A:

Q: It is estimated that 70% of households own a riding lawnmower. A sample of 22 households is studied.…

A:

Q: After being rejected for employment, Kim Kelly learns that the Bellevue Credit Company has hired…

A:

Q: Suppose a recent study determined that 29% of Americans favorite ice cream flavor is If a sample of…

A:

Q: Assume that the probability of a being bor sample of 1168 volunteers. Find the most likely number of…

A: Solution

Q: Suppose the prevalence of alcoholism among college students is 20% among those living in group…

A: It is given that the prevalence of alcoholism(A) among college students is 20% among those living in…

Q: Given that the mean weight of schoolchildren's book bags is 17.5 pounds, with a standard variation…

A: We have given that Population mean = 17.5 Standard deviation = 2.2 Sample size n =30

Q: Forty percent of American adult women believe that meat from animals raised on genetically modified…

A: Formula : Binomial distribution is given by

Q: The newspaper reports that among individuals in the 18 to 22 age, 25% drink coffee. If 400 people of…

A: Given,n=400p=0.25q=1-0.25=0.75np=400×0.25=100≥5nq=400×0.75=300≥5we can use normal…

Q: From a prior national study, we are able to infer that the probability of a high school student…

A: Probability of a senior from Tom River  going to college (p) = 0.6 (since all of their parents have…

Q: The mean number of patients admitted per day to the emergency room of a small hospital is 1. If, on…

A:

Q: According to a 2018 survey, 74 percent of employed young adults expect to bring work on a vacation…

A:

Q: Based on a poll, among adults who regret getting tattoos, 30 % say that they were too young when…

A:

Q: Based on a​ poll, 67​% of Internet users are more careful about personal information when using a…

A: Given p = 0.67 and n =4 Let X be the number of Internet users who are more careful about personal…

Q: In a certain high school, the probability that a student drops out is 0.05, and the probability that…

A: The formula for a randomly selected student gets GED is

Q: Based on a​ poll, 68​% of Internet users are more careful about personal information when using a…

A: p=0.68  _________________________ P(x≥1) = ?

Q: About 35% of Americans will admit that they waste time regularly at work. A poll of 100 Americans is…

A: The provided information are: Population proportion (p) = 35% = 0.35 Number of Americans that are…

Q: The first 20 people to arrive at the cafeteria are independent. Each has a 3% chance to request…

A: Given: Let Xi= people who arrive at the cafeteria  Xi ( i = 1 to 20) are independent. p = 0.03

Q: 1) The number of cracks in a 105-km expressway is 30. What is the probability that there would be no…

A: Solution.

Q: A politician running for Senate in California claims that only 34% of CaliforhlanS dp her competitor…

A: From the given information, n=50 p=0.34

Q: It has been estimated that 43% of business graduates believe that a course in business ethics is…

A: Given : sample size n = 80 p = 0.43

Q: Suppose    52%    of    students    support    the    idea    of    paying    student    government…

A:

Q: The Association reports that among individuals in the 48 to 55 age, 45% drink coffee. If 200 people…

A: let X: number of coffee drinkers…

Q: seventy-five percent of the students graduating from high school in a small will attend college. for…

A: A.   Z-score for proportion:

Q: The Wilson family had 9 children. Assuming that the probability of a child being a girl is 0.5, find…

A: Let X be the number of girl child follows Binomial distribution with n=9 and probability of girl…

Q: Based on a​ poll, 67​% of Internet users are more careful about personal information when using a…

A: Consider a random variable X which represent the number internet users who are more careful about…

Q: What is the probability that in a random sample of 440 voters, less than 48.8% say they will vote…

A:

Q: An economics professional body estimates that 80% of the students taking undergraduate economics…

A:

Q: The local weather forecaster predicts that there is a 12% chance of rain on each day next week.…

A:

Q: The chance that a U.S. police chief believes raising the cost of parking tickets "significantly…

A: We have given that  n=9 , p=1/4=0.25  , q=1-0.25=0.75 X~Binomial(n=9,p=0.25) Find P(X=5)

Q: It is estimated that 45% of households own a riding lawnmower.  A sample of 15 households is…

A: we want to find the probability that exactly 7 of these on a riding lawnmower

Q: About 8% of the U.S. population catches the flue each season. Assuming everyine h?as equal…

A: The formula for calculating odds is given below:

Q: It is known the 60% of toddlers have too much screen time. A randome sample of 8 toddlers were…

A: Here, too much screen time follows binomial distribution with n = 8 and p = 0.60.

Q: Suppose 42% of the banks in Switzerland are private organizations.   If a sample of 442 banks is…

A: It is known that, the mean of the sampling distribution of p-hat is equal to the population…

Q: A newspaper article preceding the 1994 World Cup semifinal match between Italy and Bulgaria stated…

A: Given information: Odds in favor of italy=1110 Odds in favor of Bulgaria=310

Q: The article “Unmarried Couples More Likely to Be Interracial” (San Luis Obispo Tribune, March 13,…

A:

Q: According to the American Dental Association, 60% of all dentists use nitrous oxide in their…

A: Given Data population proportion,p = 0.6 sample size n = 600

Q: A recent survey found that 70% of all adults over 50 wear glasses for driving. In a random sample of…

A: Let the random variable X be the number of wear glasses. X takes values 0,1,2,.....,10 . p =…

Q: The (hypothetical) table below showed the relationship between the number of hours students work at…

A: total (31+42)=73 students work more than 5 hours per week and graduates in over 6 years.