# Question

Total cholesterol in children aged 10-15 is assumed to follow a normal distribution with a mean of 191 and a standard deviation of 22.4.

A. What proportion of children 10-15 years of age has total cholesterol between 180 and 190?

B.What proportion of children 10-15 years of age would be classified as hyperlipidemic (Assume that hyperlipidemia is defined as a total cholesterol level over 200)?

C.What is the 90th percentile of cholesterol?

A. What proportion of children 10-15 years of age has total cholesterol between 180 and 190?

B.What proportion of children 10-15 years of age would be classified as hyperlipidemic (Assume that hyperlipidemia is defined as a total cholesterol level over 200)?

C.What is the 90th percentile of cholesterol?

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