- show work/explain answers and include writing out any formulas you may use.

15. A survey of US adults found that 32% have an online account with their healthcare provider. You randomly select 15 US adults and ask them whether they have an online account with their healthcare provider.

(a) Should a normal distribution or a binomial distribution be used to find the probability in

part (b)? Explain your answer.

(b) Find the probability that the number who have an online account with their healthcare

provider is equal to 10.