The heights of young women are approximately normal with a mean 64.5 in and a standard deviation of 2.5 in. What is the probability that a woman chosen at random is taller than 63.6 inches?

Question

The heights of young women are approximately normal with a mean 64.5 in and a standard deviation of 2.5 in.  What is the probability that a woman chosen at random is taller than 63.6 inches?

PsyDAG · Answer

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.