Question

he heights of American men are normally distributed with a mean of 71.3 inches and a standard deviation of 3.7 inches. According to the empirical rule, what percentage of American men are:

(a) Between 63.9 and 78.7 inches tall?

Answer: %

(b) Under 75 inches tall?

Answer: %

(c) Over 73.779 inches tall?

Answer: %

Answer #1

The heights of Canadian men are normally distributed with a mean
of 66.6 inches and a standard deviation of 3.6 inches. According to
the empirical rule, what percentage of Canadian men are: (a) Over
63 inches tall? Answer: %
(b) Between 55.8 and 77.4 inches tall? Answer: %
(c) Under 69.012 inches tall? Answer: %

The heights of English men are normally distributed with a mean
of 71.5 inches and a standard deviation of 2.5 inches. According to
the Expanded Empirical Rule, what percentage of English men are:
(a) Between 69 and 74 inches tall?
Answer:
(b) Over 73.175 inches tall?
Answer:
(c) Under 66.5 inches tall?
Answer:

The heights of Canadian men are normally distributed with a mean
of 68.5 inches and a standard deviation of 2.2 inches. According to
the Expanded Empirical Rule, what percentage of Canadian men
are:
(a) Between 61.9 and 75.1 inches tall?
(b) Over 67.026 inches tall?
(c) Under 66.3 inches tall?

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...

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