Suppose that the mean chest size of certain soldiers is 39.8 inches with a standard deviation of 2.2 inches. A histogram of chest sizes shows an approximately normal curve. Given this information, answer the following questions: (d) A soldier had chest size measured at least as large as 75% of all Scottish militiamen. What was his chest size?  (e) What chest size does the soldiers have to have to make the probability in part (a) less than 0.01? (f) What chest size does the soldiers have to have to make the probability in part (b) greater than 0.99?

Q: In a recent study, the Centers for Disease Control and Prevention reported that the diastolic blood…

A: Solution: Let X be the diastolic blood pressure of adult men. From the given information, X follows…

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A: P(X>30)=1-Pz<30-311045=1-P(z<-0.67)=1-0.2514=0.7486

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Q: In a recent study, the Centers for Disease Control and Prevention reported that the diastolic blood…

A: Given that, Mean, mu= 80.5 And standard deviation, sigma= 9.9 X~ N(80.5, 9.9) We know that, z score…

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A: GivenMean(μ)=19.11standard deviation(σ)=5

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Q: Traveling between two campuses of a university in a city via shuttle bus takes, on average, 28…

A: P(X<30)=Pz<30-28540=P(z<2.53)=0.9943

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A: 6) Given data Mean (µ) = 60 years Standard Deviation(σ) = 16 years Sample size (n)= 100 a) As the…

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A: Given Information:Mean, μ=$560Standard Deviation, σ=$35

Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

A: Given,mean(μ)=35standard deviation(σ)=7.5sample size(n)=50

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Q: Suppose the heights of 18 year old men are approximately normally distributed, with mean 71 inches…

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Q: Suppose that the lifetimes of light bulbs are approximately normally​ distributed, with a mean of 57…

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Q: For a normally distributed population with a mean of 35 and a standard deviation of 7.5, if a sample…

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A: Given distribution is normally distributed with mean 67 and standard deviation 3 x~N(μ=67, σ=3)