Question

Adult men are, on average, 70 inches tall with a standard deviation of 4 inches. Adult women are, on average, 64 inches tall with a standard deviation of 3 inches What percentage of women are taller than 60% of all men? What percentage of men are shorter than 40% of all women? What percentage of men are taller than 100% of all women? If a person is between 64 inches tall and 70 inches tall, what is the a) b) c) probability they are a woman? d)

Answer 1

c) 100% of women are 64 x-u、 64-70 =P(「-1 .5 -1-P(zs-1.5) 1-0.0668 0.9332 -93.32% -p(0 〈z 〈2.00) -P(z 2.00)-P(z<0) -0.9772-0.5 0.4772 (or) 47.72%