You are here (click or tap to change) Back to Chapter 5 Main Page
Another Calculator Example
5.3 Finding Percentiles of the Normal Curve (Using the Table in Reverse)
Pregnancy lengths are normally distributed with a mean of 280 days and a standard deviation of 20 days. Nine months is approximately 273.6 days, what is the pregnancy length corresponding to the shortest one percent of pregnancies?
Ask the Professor