At one large midwest university, about 40% of the college seniors have a social science major. Fourteen

Question:

At one large midwest university, about 40% of the college seniors have a social science major. Fourteen seniors are selected at random. Let X denote the number that have a social science major. Determine
(a) P[3 < X < 9]
(b) P[3 < X < 9]
(c) P[3 < X < 9 ]
(d) E(X)
(e) sd(X)