b. A coach has 44 seats. The travel agency has found, from past experience, that on average 10% of people with tickets for a particular journey will not turn up. Let X be the random variable represents the number of absentee. If the travel agency sells 48 tickets for a particular journey, find the probability that more than 44 people turn up for the journey.

In a recent poll of female college students, 70% stated that they plan to graduate with a STEM degree. A math teacher decides to randomly sample 15 female college students. A. Find the probability that exactly 6 out of the 15 plan to graduate with a STEM degree. B. Find the probability that between 5 and 9 (inclusive) out of the 15 plan to graduate with a STEM degree. C. Find the probability that at least 7 out of the 15 plan to graduate with a STEM degree. D. Find the expected number of female college students out of the 15 that plan to graduate with a STEM degree.

67% of LaGuardia students are female. A random sample of 6 students is to be selected. Let the random variable X be the number of female students in a sample.     a. What is the probability that out of 6 randomly selected students at most 2 are male?   b. Find the average number of female students per sample if a large number of random samples of 20 students were selected.

48% of all violent felons in the prison system are repeat offenders. If 44 violent felons are randomly selected, find the probability that   a. Exactly 18 of them are repeat offenders. Correct   b. At most 20 of them are repeat offenders. c. At least 19 of them are repeat offenders. d. Between 14 and 19 (including 14 and 19) of them are repeat offenders.

55% of all violent felons in the prison system are repeat offenders. If 38 violent felons are randomly selected, find the probability that   a. Exactly 22 of them are repeat offenders. b. At most 20 of them are repeat offenders. c. At least 20 of them are repeat offenders. d. Between 18 and 23 (including 18 and 23) of them are repeat offenders.

A survey from Teenage Research Unlimited found that 40% of teenage consumers receive theirspending money from part-time jobs. If 5 teenagers are selected at random:a. Find the probability that at least 3 of them will have part-time jobs.b. Find the probability that no more than 4 will have part-time jobs.c. Find the probability that less than 5 but greater than 3 will have part-time jobs.