A survey showed that 4.8 percent of the 250 Americans surveyed had suffered some kind of identity

Question:

A survey showed that 4.8 percent of the 250 Americans surveyed had suffered some kind of identity theft in the past 12 months.
(a) Construct a 99 percent confidence interval for the true proportion of Americans who had suffered identity theft in the past 12 months.
(b) May normality of p be assumed? Explain.