Question

Approximately 10.3% Of American High School Students Drop Out Before Graduation. Choose 10 Students Entering High School At Random. Find the probability that at least 6 will graduate

Answer 1

Find P(6), P(7), P(8), P(9), and P(10).

The easiest way to do this would be to use a binomial probability function table.
Find each value, then add together for your probability.

Answer 2

Approimately 10.3% of American high school students drop out of school before gradution. Choose 10 students entering high school at random. Find the probability that (Assume binomial distribution): a. Exactly two drop out b. At least 7 graduate c. All ten stay in school and graduate

Answer 3

Sketch the area under the standard normal curve over the indicated interval and find the specified area. (Round your answer to four decimal places.)