A six-foot seven-inch tall man. Have you ever wondered why a man who is 6′ 7″ tall (79″) seems so much taller than a man who is 5′ 10″

(70″) even though he is only 13% taller in relative terms? [(79″ −

70″)/70″ = 0.13

= 13%.] Let us assume that male height is Normally distributed with μ = 70 inches and σ = 3 inches. What proportion of men are 5′ 10″ or taller? What proportion of men are 6′ 7″ or taller?