Suppose a Population Has a Mean of 870 and a Variance

question 27

Multiple Choice

Suppose a population has a mean of 870 and a variance of 8,100.If a random sample is size 36 is drawn from the population, the probability that the sample mean is between 840 and 900 is ___.

• A)0.9544
• B)0.6826
• C)0.8185
• D)0.5899
• E)0.0897

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Definitions:

Cardiovascular Disease

A group of disorders of the heart and blood vessels, including coronary artery disease, hypertension, heart failure, and stroke.

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, typically measured for health assessments.

Quitting Smoking

The process of stopping the habit of tobacco consumption, which is critical for improving health and reducing the risks of smoking-related diseases.

Phased Retirement

A work arrangement that allows employees to reduce their working hours or workload as they transition to retirement.