The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 219 milligrams per deciliter and a standard deviation of 36.6b) If 247 men in the 35-44 age group are randomly selected, about how many would you expect to have a total cholesterol level greater than 261 milligrams per deciliter of blood?

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Asked Nov 26, 2019
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The total cholesterol levels of a sample of men aged 35-44 are normally distributed with a mean of 219 milligrams per deciliter and a standard deviation of 36.6
b) If 247 men in the 35-44 age group are randomly selected, about how many would you expect to have a total cholesterol level greater than 261 milligrams per deciliter of blood?

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Expert Answer

Step 1

Given:

μ=219 and σ=36.6

Sample size = n = 247

We have to find how many would you expect to have a total cholesterol level greater than 261 milligrams per deciliter of blood?

Step 2

First, we have to find P(X>26...

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х— и Putting all values 261-219 - 1.1475 36.6

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