Can someone please help me with this problem? I have finished almost all of it besides one question that I seem to be having trouble with!

61% of all Americans are homeowners. If 45 Americans are randomly selected, find the probability that

a. Exactly 29 of them are homeowners. = 0.1102

b. At most 26 of them are homeowners. =0.3820

c. At least 29 of them are homeowners. =0.3782

d. Between 25 and 32 (including 25 and 32) of them are homeowners. =?

.61 * 45 = ?