Three people get into an elevator on the main floor of a building that has 9 floors (this building has 8 floors above the ground-level). Assuming that each of the three people will get off the elevator on one of floors 2 through 9, and each does so randomly. Not sure how to perform some of the tasks? Click to see similar problem Part (a) What is the probability that the three people get off on the 4th floor? 0.0020 (use four decimals) Part (b) What is the probability that the three people get off on the same floor? 0.0156 (use four decimals) Part (c) What is that at least two of the three people get off on the same floor? (use four decimals) Part (d) What is the probability that exactly two of the three people get off on the same floor? 0 (use four decimals)

A group of people were asked if they had run a red light in the last year. 273 responded "yes", and 289 responded "no". Find the probability that if a person is chosen at random, they have run a red light in the last year. Give your answer as a fraction or decimal to 4 decimal places Question Help: DVideo D Post to forum

At bedtime, you read three books to your kids, Walker, Michael, and Luke. Together, they have 32 books. If you decide to randomly choose three books, what is the probability that the three you choose will consist of each of their favorite books? Assume they have different favorites. Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

Jack has just been given a ten-question multiple choice quiz in history class. Each question has five answers, of which only one is correct. Since Jack has not attended class recently, he does not know any of the answers. Assuming Jack guesses randomly on all ten questions, find the probability that he will answer six or more of the questions correctly and avoid an F.

Solve the following: