Problems 1 and 2 refer to the following situation The count

Problems 1 and 2 refer to the following situation. The count X of bad switches is Binomial with n = 250 and p = 0.10.

1) The mean of this binomial distribution is:

25

22.5

4.74

2.5

None of the above

2. The standard deviation of this Binomial distribution is:

25

22.5

4.74

2.5

None of the above

Solution