A recent study reported that 54% of the adults in the United States drink at least one

Question:

A recent study reported that 54% of the adults in the United States drink at least one cup of coffee a day. Suppose that this is still the current rate. What is the normal approximation to the probability that, in a random sample of 1000 adults, the number that drink at least one cup a day will be
(a) Less than 519.
(b) Equal to or more than 556.