The average height for Chinese women is 62.5 inches with a standard deviation of 4.6 inches. What is the probability that a randomly selected woman in the United States would be ≥69 inches tall?

Question

The average height for Chinese women is 62.5 inches with a standard deviation of 4.6 inches.  What is the probability that a randomly selected woman in the United States would be ≥69 inches tall?

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/probability related to the Z score.