Question: 6a survey of adults in the united states found that...

6)A survey of adults in the United States found that 60% ate at a restaurant at least once in the past week. You randomly select 28 adults and ask them whether they ate at a restaurant at least once in the past week

(a) Verify that a normal distribution can be used to approximate the binomial distribution.

(b) Find the probability that at most 13 adults ate at a restaurant at least once in the past week.