The blood cholesterol level of all men aged 20 to 34 years

Last updated: 6/29/2023

The blood cholesterol level of all men aged 20 to 34 years follows the Normal distribution with mean 188 milligrams per decilliter mg dL and standard deviation 41 mg dL A sample survey measures the blood cholesterol level of a SRS of 10 such men The sample mean is denoted by The sampling distribution of the sample mean is a 188 mg dL and s 12 965 b approximately Normal with mean x 188 mg dL and standard deviation o 4 1 mg dL c approximately Normal with mean u x 59 451 mg dL and standard deviation 12 965 d approximately Normal with mean 188 mg dL and standard deviation o 12 965 mg dL