1. Heights of adult males in American are known to follow a normal distribution with mean 175.6 cm and standard deviation 7.1 cm. Suppose that NASA excludes anyone under 156.6 cm in height and anyone over 193.0 cm in height from being an astronaut. What fraction of the American adult male population would be excluded from being an astronaut by these height constraints?

Q: Suppose that the distribution of weights of 1000 New Zealand hamsters is distributed normal with…

A:

Q: 5. A hospital would like to conduct a study to investigate the mean birth weight of children born at…

A: Givenstandard deviation(σ)=12Margin of error(E)=2confidence…

Q: A survey found that​ women's heights are normally distributed with mean 63.4 in. and standard…

A: a.   Obtain the percentage of women meeting the height requirement. The percentage of women meeting…

Q: A company that manufactures and bottles apple juice uses a machine that automatically fills 16-ounce…

A: The amount normally distributed μ=16σ=1

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A:

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A: We have given that the random variable X i.e. time is normally distributed with mean 70 minutes and…

Q: When designing equipment, one common criterion is to use a design that accommodates 95% of the…

A:

Q: 3. The heights of women are normally distributed with mean 63.7 in. and standard deviation 2.9 in.…

A: Given μ = 63.7δ = 2.9 To find the probability, we need to find the z scores.(a) P(62 < X < 78)…

Q: STEP ONE: STEP TWO: STEP THREE: STEP FOUR: STEP FIVE: STEP SIX: Test Statistic: Critical Value(s):

A: n1 = 123 n2 = 290   x1 = 0.83 x2 =1.39   s1 = 1.77s2 =3.06

Q: 16) The amount of soda a dispensing machine pours into a 12-ounce can of soda follows a normal…

A: According to the provided information,

Q: 5) The distribution of passenger vehicle speeds traveling on the 1-70 interstate in CO is nearly…

A: From the provided information,

Q: 9. Under what circumstances will the distribution of sample means be normal?

A:

Q: 3. Consumer Reports indicated that the mean braking distance (from 60 miles per hour) on wet…

A: GivenMean(x)=150standard deviation(s)=26.5sample size(n)=45significance level(α)=0.05

Q: 9. SHOW WORK The height of adult males on a given South Pacific Island is approximately normally…

A: Given that for normal distribution the mean  inches and standard deviation inchesWe know that if…

Q: 5. An industrial machine manufactures beams for sale whose length follows a normal distribution with…

A:

Q: The U. S. Air force requires that fighter pilots have heights between 64 and 77 inches. the women's…

A:

Q: An airline company wants to estimate the mean number of unoccupied seats per flight over the past…

A: Given : Sample Size (n) = 225 Sample Mean (X¯) = 8.5 Sample SD (S) = 5.4 Confidence Level = 90% So ;…

Q: Employees must complete new machine set-ups at a local manufacturing plant within 30 minutes. A…

A: Given,mean(μ)=22standard deviation(σ)=4

Q: The weights of patients in a hospital have a skewed distribution with a mean of 166 lbs and a…

A: We have to find out given probabiity..

Q: Shoe manufacturers must know the distribution of foot size of different age groups to decide demand…

A: mean = 10.4 s = 0.6

Q: The U.S Navy requires that fighter pilots have heights between 64 inches and 74 inches. The Mens are…

A:

Q: Scores on a college entrance exam are normally distributed with a mean of 500 and a standard…

A: Solution: Let X be the score on college entrance exam has normal distribution with mean μ=500 and…

Q: 13) A state fish hatchery raises trout for stocking streams and lakes.  The size of the fish at…

A: We have given that  Sample size n=64  Sample mean = 11.56 Standard deviation = 1.37

Q: The total blood cholesterol levels in a certain Mediterranean population are found to be normally…

A: We have to find given probability