Question

64% of men consider themselves professional baseball fans. You randomly select 10 men and ask each if he considers

himself a professional baseball fan. Find the probability that the number who considers themselves baseball fans is (a) exactly eight (b)at least eight and (c) less than eight. If possible use technology to find the probabilities.

n r
10
10
10
10
10
10
10
10
10
10
10 n-r
0
1
2
3
4
5
6
7
8
9
10 nCr
10
9
8
7
6
5
4
3
2
1
0 1
10
45
120
210
252
210
120
45
10
1 P
0.64
0.64
0.64
0.64
0.64
0.64
0.64
0.64
0.64
0.64
0.64 Q
Probability…
Statistics and Probability