The heights of adult men in America are normally distributed, with a mean of 69.7 inches and a standard deviation of 2.6
Posted: Fri Dec 24, 2021 9:49 am
The heights of adult men in America are normally distributed,
with a mean of 69.7 inches and a standard deviation of 2.66 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.7 inches and a standard
deviation of 2.54 inches.
a) If a man is 6 feet 3 inches tall, what is his z-score (to two
decimal places)?
z =
b) What percentage of men are SHORTER than 6 feet 3 inches? Round
to nearest tenth of a percent.
%
c) If a woman is 5 feet 11 inches tall, what is her z-score (to two
decimal places)?
z =
d) What percentage of women are TALLER than 5 feet 11 inches? Round
to nearest tenth of a percent.
%
e) Who is relatively taller: a 6'3" American man or a 5'11"
American woman? Defend your choice in a meaningful sentence.
with a mean of 69.7 inches and a standard deviation of 2.66 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.7 inches and a standard
deviation of 2.54 inches.
a) If a man is 6 feet 3 inches tall, what is his z-score (to two
decimal places)?
z =
b) What percentage of men are SHORTER than 6 feet 3 inches? Round
to nearest tenth of a percent.
%
c) If a woman is 5 feet 11 inches tall, what is her z-score (to two
decimal places)?
z =
d) What percentage of women are TALLER than 5 feet 11 inches? Round
to nearest tenth of a percent.
%
e) Who is relatively taller: a 6'3" American man or a 5'11"
American woman? Defend your choice in a meaningful sentence.