4General Hospital has noted that they admit an average of 9 patients per hour.

a.What is the probability that during the next hour less than 5 patients will be admitted?

b.What is the probability that during the next two hours exactly 7 patients will be admitted?

5.Thirty percent of the employees of a large company are minorities. A random sample of 8 employees is selected.

a.What is the probability that the sample contains exactly 5 minorities?

b.What is the probability that the sample contains less than 4 minorities?

c.What is the probability that the sample contains exactly 1 non-minority?

d.What is the expected number of minorities in the sample?