The heights of North American women are normally distributed with a mean of 64 inches and a standard deviation of 2 inches. What is the probability that a randomly selected woman is taller than 66...

The heights of North American women are normally distributed with a mean of 64 inches and a standard deviation of 2 inches.

What is the probability that a randomly selected woman is taller than 66 inches?

A random sample of four women is selected. What is the probability that the sample mean is greater than 66 inches?

What is the probability that the mean height of a random sample of 100 women in greater than 66 inches?