# The mean total serum cholesterol level in women free of cardiovascular disease is 205 with astandard deviation of 19.2. What proportion of women have total serum cholesterol levelsexceeding 200? If values between the 5th and 95th percentiles are considered "normal," what isthe upper limit of normal? If a sample of 10 women are analyzed, what is the probability thattheir mean total serum cholesterol levels exceeds 210?

Question

Question 32

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Step 1

Computation of proportion of women have total serum cholesterol levels exceeding 200:

Here, the mean µ = 205

The standard deviation, σ = 19.2

The proportion of women have total serum cholesterol levels exceeding 200 is obtained as 0.60, from the calculations given below:

Step 2

Upper limit of normal:

The values between 5th and 95th percentile is considered normal. As per empirical rule, normal lies 1.64 standard deviations from the...

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