From 1776-1800, the average age of first marriage for a male in Western Europe was 29.5 years, with a standard deviation of 3.4 years. Assume the ages are normally distributed. The 90% of Western European males that were oldest when they were first married were older than what age? Give the z-score needed to calculate the result. 90% of Western European males were first married after they were years old. Question Help: D Post to forum Submit