34% of college students say they use credit cards because of the

34% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses the credit card, Find the probability that the number of students who say they use credit cards because of the rewards programs is a(exactly two) b, more than two
a) P(2) =                              (round to nearest thousandths)
b) P(x >2) =                          (round to nearest thousandths)
c) P(2< x< 5) =                      (round to nearest thousandths)