at a local company, 60% of the employees favor unionzation. Suppose a poll of 20 employees is taken at the company. a) what is the probability of

at a local company, 60% of the employees favor unionzation. Suppose a poll of 20 employees is taken at the company.

a) what is the probability of exactly 8 respondents saying they favor unionization ?

b) what is the probability of at least 15 respondents saying they favor unionization ?

c) In a sample of 200 respondents to the unionzation poll, how many would you expect would say they favor unionization of the company ?