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(2)Heights of adult males are normal distributed with a mean of 65 inches and a standard...
Heights of 13 year old males in the USA are normally distributed with a mean of...
Heights of 13 year old males in the USA are normally distributed with a mean of 60 inches and a standard deviation of 2 inches. Find the probability that a randomly selected 13 year old male in the USA has a height more than 58 inches. (Write your answer as a decimal number, rounded to the nearest hundredth) Heights of 13 year old males in the USA are normally distributed with a mean of 60 inches and a standard deviation...
Suppose the heights of males on campus are normally distributed with a mean of 69 inches...
Suppose the heights of males on campus are normally distributed with a mean of 69 inches and standard deviation of 2.5 inches. You plan to choose a random sample of 14 males from the studer directory a. What is the probability the mean height for your sample will be greater than 70.5 inches? b. The sample size you used was fairly small. Does this affect the validity of the probability you calculated in (a)? Explain fully!
The heights of adult American males are normally distributed with a mean of 70 inches, and...
The heights of adult American males are normally distributed with a mean of 70 inches, and a standard deviation of 3 inches. The average NBA player is 6’7”, or 79 inches tall(3 standard deviations above the mean). If you select 1000 adult American males at random, how many of them would you expect to be taller than an average NBA-er?
Suppose the heights of adult males in a population have a normal distribution with mean µ...
Suppose the heights of adult males in a population have a normal distribution with mean µ = 71 inches and standard deviation σ = 3 inches. Two unrelated men will be randomly sampled. Let X = height of the first man and Y = height of the second man. (a) Consider D = X − Y , the difference between the heights of the two men. What type of distribution will the variable D have? (b) What is the mean...
12A survey found that women's heights are normally distributed with mean 63.3 in. and standard deviation...
12A survey found that women's heights are normally distributed with mean 63.3 in. and standard deviation 2.3 in. The survey also found that men's heights are normally distributed with a mean 67.3 in. and standard deviation 92.9. Complete parts a through c below. The percentage of women who meet the height requirement is ____ Find the percentage of men meeting the height requirement. _____ If the height requirements are changed to exclude only the tallest 5% of men and the...
The heights of 20- to 29-year-old males in the United States are approximately normal, with mean...
The heights of 20- to 29-year-old males in the United States are
approximately normal, with mean 70.4 in. and standard deviation 3.0
in.
Round your answers to 2 decimal places.
a. If you select a U.S. male between ages 20
and 29 at random, what is the approximate probability that he is
less than 69 in. tall?
The probability is about_______ %.
b. There are roughly 19 million 20- to
29-year-old males in the United States. About how many are...
Heights of men are normally distributed with a mean of 69.0 inches and a standard deviation...
Heights of men are normally distributed with a mean of 69.0 inches and a standard deviation of 2.8 inches. What is the probability that a randomly selected group of 16 men have a mean height greater than 71 inches.
In the United States, men’s heights have mean of 69 inches, and standard deviation of 3...
In the United States, men’s heights have mean of 69 inches, and standard deviation of 3 inches. Assume height is normally distributed. What is the probability that a randomly selected male will be between 66.45 and 72.75 inches tall?
Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard...
Assume that women's heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. If 90 women are randomly selected, find the probability that they have a mean height between 62.9 inches and 64.0 inches. Write your answer as a decimal rounded to 4 places.
Assume that the heights of men are normally distributed with a mean of 70.9 inches and a standard deviation of 2.1...
Assume that the heights of men are normally distributed with a mean of 70.9 inches and a standard deviation of 2.1 inches. If 36 men are randomly selected, find the probability that they have a mean height greater than 71.9 inches. 0.9979 0.0021 0.9005 0.0210
Suppose the heights of males on campus are normally distributed with a mean of 69 inches and standard deviation of 2.5 inches. You plan to choose a random sample of 14 males from the studer directory a. What is the probability the mean height for your sample will be greater than 70.5 inches? b. The sample size you used was fairly small. Does this affect the validity of the probability you calculated in (a)? Explain fully!
The heights of 20- to 29-year-old males in the United States are
approximately normal, with mean 70.4 in. and standard deviation 3.0
in.
Round your answers to 2 decimal places.
a. If you select a U.S. male between ages 20
and 29 at random, what is the approximate probability that he is
less than 69 in. tall?
The probability is about_______ %.
b. There are roughly 19 million 20- to
29-year-old males in the United States. About how many are...
Assume that the heights of men are normally distributed with a mean of 70.9 inches and a standard deviation of 2.1 inches. If 36 men are randomly selected, find the probability that they have a mean height greater than 71.9 inches. 0.9979 0.0021 0.9005 0.0210
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