Suppose that the probability that a drive-thru fills an order correctly is 0.65. A random sample of 22 independent drive-thru orders is taken. You are interested in the number of drive-thru orders in...

Suppose that the probability that a drive-thru fills an order correctly is 0.65. A random sample of 22 independent drive-thru orders is taken. You are interested in the number of drive-thru orders in the sample that are filled correctly.

g. Find the mean and standard deviation of X.

h. Find the probability that X is within 1 standard deviation of its mean.