Thirty percent of law students who sit for a bar exam pass it the first time. The probability, rounded to four decimal places, that in a random sample of 15 law students who will sit for the bar examination, at most 3 will pass it the first

Q: Consider the variable Joe’s weight next Friday. What is the probability he weighs 170 pounds, the…

A: Uniform distribution is the type of continuous probability distribution. It is a type of simplest…

Q: 13% of US residents are in their 30s. consider a group of 9 US residents selected at random. find…

A: It is given that the 13% of US residents are in their 30s i.e. the prob. that US residents are in…

Q: 3 percent of the led lights manufactured by a company are defective, the probability that in a…

A:

Q: In a recent survey, 65% of the community favored building a health center in their neighborhood. If…

A: Given  p=65%, n=14, x=8

Q: The proportion of eligible voters in the next election who will vote for the incumbent is assumed to…

A: Given: The probability of eligible voters in the next election who will vote for the incumbent is…

Q: The American Automobile Association reports that of the fatal car and truck accidents 54% are caused…

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

Q: A study indicates that 37% of households have have a dog. You randomly sample 8 households. Find the…

A:

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: ind the probability that in a randomly selected office hour, the number of student arrivals is 66.

A: A statistics professor finds that when he schedules an office hour for student help, an average of 3…

Q: Suppose that 31% of students in a college have a smart phone. If you select three students at…

A: Obtain the probability that all three have a smart phone. The probability that all three have a…

Q: 71% of all Americans are home owners. If 37 Americans are randomly selected, find the probability…

A: The random variable home owners follow binomial distribution. The probability value is 0.71. The…

Q: Suppose that 25% of people own dogs. If you pick two people at random, what is the probability that…

A: Solution:- from given information probability of people own dogs is 25%    p=0.25 random sample n =…

Q: A computer technician notes that 40% of computers fail because of the hard drive. If he repairs many…

A: random variable X number of trials at which first success occurs. X~geometric(p)  where…

Q: A group of people were asked if Marilyn Monroe had an affair with JFK. 316 responded "yes", and 366…

A:

Q: The probability that four randomly selected high school drivers all drove when drinking alcohol is

A: Given: Drove when drinking alcohol Yes No Total Texted while driving 737 3027 3764 No Texting…

Q: Records show that 66% of employees at a high level research facility have a doctorate degree. If 14…

A:

Q: There is a 0.7 probability that math students will correctly follow all instructions on the Exam.…

A: Given: There is a 0.7 probability that a math student will correctly follow all instructions on the…

Q: The quality of computer disks is measured by the number of missing pulses. For a certain brand of…

A:

Q: A sociologist is analyzing Social Security data. The number of individuals in the sample is 5. The…

A:

Q: In 2019, approximately 97.4% of all the runners who started the Boston Marathon (in Boston,…

A: Given that  Approximately 97.4% of all the runners complete the race.  P = 97.4% = 0.974 (1-P) =…

Q: A group of people were asked if they had run a red light in the last year. 470 responded "yes", and…

A: Given that,  Response, Yes = 470 Response, No= 283 Total responses = Yes+No = 470+283 n= 753

Q: 65% of Americans drink one coffee a day. With a random sample of 45 Americans, what is the…

A: Solution: Given information: n= 45 Sample of Americans  p= 0.65 Population proportion of Americans…

Q: A group of people were asked if they had run a red light in the last year. 189 responded "yes", and…

A: Given,no.of people run a red light=189no.of people responded "no"=253Total no.of peoples=442

Q: A survey determines that in Blue Village, 0.33 of the residents do jogging, 0.42 do biking, and 0.12…

A: Given that  Let A denoted by jogging and B denoted by biking.  P(A)=0.33 P(B)=0.42 P(A and B)=0.12

Q: Sixteen percent of all sports cars are painted red. Given a random sample of 250 sports cars, find…

A: Given that  n=250 , p=16%=0.16 , q=1-p=1-0.16=0.84

Q: Sixty-five percent of men consider themselves knowledgeable football fans. If 11 men are randomly…

A: It is given that the number of observations are independent with the probability of success p = 65%…

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.