Apharmaceutical testing company wants to test a new cholesterol drug. the average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg. the company wished to test a sample of people who fall between 1.5 and 3 z-scores above the mean. into what range must a candidate's cholesterol level be in order for the candidate to be included in the study?

The required range is 237.5 to 275.

Step-by-step explanation:

Consider the provided information.

The average cholesterol of the target population is 200 mg and they have a standard deviation of 25 mg.

The the value of μ = 200 and the

The company wished to test a sample of people who fall between 1.5 and 3 z-scores above the mean.

Let the value of z is 1.5.

Now use the z score formula:

Substitute the respective values in the above formula.

Now let the value of z is 3.

Substitute the respective values in the z score formula.

Hence, the required range is 237.5 to 275.

step-by-step explanation: