According to Harper's Index, 50% of all federal inmates are serving time for drug dealing. A random sample of 16 federal inmates is selected.


(a) What is the probability that 12 or more are serving time for drug dealing? (Use 3 decimal places.)

(b) What is the probability that 4 or fewer are serving time for drug dealing? (Use 3 decimal places.)

(c) What is the expected number of inmates serving time for drug dealing? (Use 1 decimal place.)