The ages of people entering a pie eating contest are normally distributed with a mean of 35 years and a standard deviation of 8.2 years.
What is the age of a pie eating contestant with a z-score of -2.1
Round to the nearest tenth.
+36915 z = - 2.1 means 2.1 standard deviations below the mean
2.1 x 8.2 = 17.77 years below the mean
35 - 17.22 = 17.78 = ~~ 17.8 y/o
