Question

The lifespans of gorillas in a particular zoo are normally distributed. The average gorilla lives 20.8 years; the

standard deviation is 3.1 years.
Use the empirical rule (68-
95 - 99.7%) to estimate the probability of a gorilla living between 11.5 and 27
years.

Answer 1

The probability of a gorilla living less than 23.9 years is 0.84 (84%)

Explanation: