The height of North American women are approximately normally distributed with µ=64 inches and σ=2 inches.
a. What is the probability that a randomly selected women is taller than 65 inches>
b. A randon sample of four women is selected. What is the probaility that the sample mean is greater than 65 inches?
c. What is the probability that the mean height of a random sample of sixteen women is greater than 65 inches?