A recent study found that the average life expectancy of a person living in Africa is 53 years with a standard deviation of 7.5 years. If a person in Africa is selected at random, what is the probability that the
Person will die before the age of 65?
A) 94.52%
B) 82.89%
C) 94.95%
D) 88.49%

Question

Quizplus · Accepted Answer

The probability that a person in Africa will die before the age of 65 is 94.52%. This is because the average life expectancy in Africa is 53 years, and the standard deviation is 7.5 years. This means that the probability of a person living to be 65 is 50%, and the probability of a person dying before the age of 65 is 50%.

A Recent Study Found That the Average Life Expectancy of a Person