If P(A) = .38, P(B) = .83, and P(A B) = .24; then P(A B) =
a. 1.21
b. .97
c. .76
d. 1.45
Question 2
A simple random sample of 36 items resulted in a sample mean of 40 and a standard deviation of 12 . Construct a 95 confidence interval for the population mean.