Question

heights of adult American women are normally distributed with an average of 5 feet 4 inches (64 inches) and standard deviation 2.5 inches. Whats the proportion of adult American women are taller than 6 feet? I have no idea how to do this

A) 99.9% B) 0.1% C) 50% D) 0.032%

Answer #1

TOPIC:Normal distribution.

The heights of all adult American women are normally
distributed with a mean of 63.8 inches and a standard deviation of
6 inches. Give the standard (z) score and approximate
percentile (from the tables) for women with each of the following
heights:
64 inches
62 inches
60.5 inches

The heights of adult men in America are normally distributed,
with a mean of 69.2 inches and a standard deviation of 2.62 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.6 inches and a standard
deviation of 2.59 inches.
a) If a man is 6 feet 3 inches tall, what is his z-score?
z =
b) What percentage of men are SHORTER than 6 feet 3 inches? Round
to nearest tenth...

The heights of adult men in America are normally distributed,
with a mean of 69.3 inches and a standard deviation of 2.62 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.3 inches and a standard
deviation of 2.56 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?...

The heights of adult men in America are normally
distributed, with a mean of 69.3 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 2.56 inches.
a) If a man is 6 feet 3 inches tall, what is his
z-score (to two decimal places)?
b) What percentage of men are SHORTER than 6 feet 3
inches? Round to...

The heights of adult men in America are normally distributed,
with a mean of 69.7 inches and a standard deviation of 2.65 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.2 inches and a standard
deviation of 2.55 inches.
a) If a man is 6 feet 3 inches tall, what is his z-score (to two
decimal places)?
b) What percentage of men are SHORTER than 6 feet 3 inches?
Round to...

The heights of adult men in America are normally distributed,
with a mean of 69.8 inches and a standard deviation of 2.64 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.4 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?...

The heights of adult men in America are normally distributed,
with a mean of 69.1 inches and a standard deviation of 2.69 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.5 inches and a standard
deviation of 2.57 inches.
a) If a man is 6 feet 3 inches tall, what is his z-score (to two
decimal places)?
b) What percentage of men are SHORTER than 6 feet 3 inches?
Round to...

The heights of adult men in America are normally distributed,
with a mean of 69.1 inches and a standard deviation of 2.67 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.8 inches and a standard
deviation of 2.56 inches.
a) If a man is 6 feet 3 inches tall, what is his z-score (to two
decimal places)?
z =
b) If a woman is 5 feet 11 inches tall, what is...

The heights of adult men in America are normally distributed
with a mean of 69.5 inches and a standard deviation of 2.65 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.1 inches and a standard
deviation of 2.58 inches. (a) If a man is 6 feet 3 inches tall,
what is his z-score (to two decimal places)? z = (b) If a woman is
5 feet 11 inches tall, what is...

The heights of adult men in America are normally distributed,
with a mean of 69.3 inches and a standard deviation of 2.63 inches.
The heights of adult women in America are also normally
distributed, but with a mean of 64.1 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) If a woman is 5 feet 11 inches tall, what is...

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