Question 454594
Expectation=n*p
A:
1/7 * 1 = 1/7
3 * 3/7 = 9/7
7 * 3/7 = 21/7
.
31/7 expectation = 4 3/7
.
B:
4*1=4 expectation
.
C:
3 * 5/9 = 15/9
6 * 4/9 = 24/9
.
39/9 expectation = 4 3/9
.
Select A because it has the highest expectation.
.
Ed