31% of college students say they use credit cards b/c of the rewards program. You radomly select 10 students and ask each to namte the reason they use the cards. find probablity that the students use cards b/c of reward program is a) exactly two b)more than two, c) between two and five inclusive.
a) P(2)=
b) P(x>2)=
c) P(< x> 5)=
TABLE
n=10 p=31
x P(X)
1 0.110
2 0.222
3 0.266
4 0.209
5 0.113
6 0.042
7 0.011
8 0.002
9 0.000
10 0.000
thanks for your help!