Question
In: Statistics and Probability
A large study of the heights of 880 adult men found that the mean height was...
A large study of the heights of 880 adult men found that the mean height was 70 inches tall. The standard deviation was 4 inches. If the distribution of data was normal, what is the probability that a randomly selected male from the study was between 66 and 78 inches tall? Use the 68-95-99.7 rule (sometimes called the Empirical rule or the Standard Deviation rule). For example, enter 0.68, NOT 68 or 68%..
Solutions
orchestra answered 2 years agoRelated Solutions
It is estimated that heights of adult men are normally distributed with a mean of 70...
It is estimated that heights of adult men are normally
distributed with a mean of 70 inches and a standard deviation 3.3
inches. In one state, the law requires a person to be 68 inches or
taller to become a fire fighter.
What proportion of adult men will meet this height requirement
for becoming a fire fighter in this state? .7291
A person who was denied to become a fire fighter learned that
his height was at the 20th percentile....
The heights of adult men in America are normally distributed, with a mean of 69.4 inches...
The heights of adult men in America are normally distributed,
with a mean of 69.4 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 64.4 inches and a standard
deviation of 2.59 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 69.5 inches...
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 64.7 inches and a standard
deviation of 2.53 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 69.5 inches...
The heights of adult men in America are normally distributed,
with a mean of 69.5 inches and a standard deviation of 2.68 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 2.53 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 distribution of heights of adult men in the U.S. is approximately normal with mean 69...
The distribution of heights of adult men in the U.S. is
approximately normal with mean 69 inches and standard deviation 2.5
inches. Use what you know about the EMPIRICAL RULE to answer the
following.
a)Approximately what percent of men are taller than 69
inches?
b)Approximately what percent of men are between 64 and 66.5
inches?
Suppose the height of adult men in the US is roughly normally distributed with a mean...
Suppose the height of adult men in the US is roughly normally
distributed with a mean of 80 inches and a standard deviation of 6
inches. (a) What is the probability of an adult male being taller
than 70 inches? (b) Approximately 15% of adult men are shorter than
how many inches?
The distribution of heights of adult American men is approximately normal with mean of 69 inches...
The
distribution of heights of adult American men is approximately
normal with mean of 69 inches in standard deviation of 2.5 inches.
a. what is the probability that a selected male is either less
than 68 or greater than 70 inches
b. find the probability that a selected male is between 69 and
73 inches
1/The heights of adult men in America are normally distributed, with a mean of 69.2 inches...
1/The heights of adult men in America are normally distributed,
with a mean of 69.2 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 64.5 inches and a standard
deviation of 2.51 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 distribution of heights of adult men is approximately normal with mean 175 centimeters and standard...
The distribution of heights of adult men is approximately normal
with mean 175 centimeters and standard deviation 6.5
centimeters.
About what percent of men are shorter than 162 centimeters? Why?
Explain.
a. 95% b. 68% c. 16% d. 5% e. 2.5%
1. Adult men have heights with a mean of 69.0 inches and a standard deviation of...
1. Adult men have heights with a mean of 69.0 inches and a
standard deviation of 2.8 inches. Find the z-score of a man 68.8
inches tall. (to 2 decimal places)
2. In the country of United States of Heightlandia, the height
measurements of ten-year-old children are approximately normally
distributed with a mean of 56.5 inches, and standard deviation of
1.2 inches.
A) What is the probability that a randomly chosen child has a
height of less than 57.9 inches?...
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