Question
In: Statistics and Probability
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?
Answer= _______(Round your answer to 3 decimal places.)
B) What is the probability that a randomly chosen child has a
height of more than 53.9 inches?
Answer= _______(Round your answer to 3 decimal places.)
Solutions
orchestra answered 1 year agoRelated Solutions
Heights of adult American males are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches.
Heights of adult American males are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches. The U.S. Marine Corps requires that males have heights between 64 inches and 78 inches. What percentage of males are eligible for the Marines based on height?
Heights are generally normally distributed. Men have a mean of 69.5 inches and standard deviation 2.4...
Heights are generally normally distributed. Men have a mean of
69.5 inches and standard deviation 2.4 inches. Women have a mean of
63.8 inches and standard deviation 2.6 inches. The US Air Force has
a height requirement for their pilots to be between 64 inches and
77 inches.
Make sure you are rounding z-scores properly to two
places.
Part A: Find the two z-scores for women who meet this height
requirement z = (smaller value) and z
= (larger value)
Part B:...
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?...
1.The heights of adult men in America are normally distributed, with a mean of 69.3 inches...
1.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 64.2 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 69.4 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 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
The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation...
The heights of 18-year-old men are approximately normally
distributed with mean 68 inches and standard deviation 3 inches.
What is the probability that the height of an 18-year-old man
selected at random is between 66 inches and 67 inches? 0.8807
0.4283 0.1193 0.3807 0.1333.
The heights of 18-year-old men are approximately normally distributed with mean 68 inches and standard deviation...
The heights of 18-year-old men are approximately normally
distributed with mean 68 inches and standard deviation 3 inches.
What is the probability that the average height of a sample of
twenty 18-year-old men will be less than 69 inches? Round your
answer to four decimal places.
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