A Large Midwestern University Is Interested in Estimating the Mean

question 36

Multiple Choice

A large Midwestern university is interested in estimating the mean time that students spend at the student recreation center per week. A previous study indicated that the standard deviation in time is about 40 minutes per week. If the officials wish to estimate the mean time within ± 10 minutes with a 90 percent confidence, what should the sample size be?

• A) 44
• B) 62
• C) 302
• D) Can't be determined without knowing how many students there are at the university.

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Definitions:

Cardiovascular Risk

The likelihood or probability of developing heart-related conditions, influenced by factors such as lifestyle, diet, and genetics.

Blood Pressure

The pressure of circulating blood on the walls of blood vessels, a critical indicator of cardiovascular health.

Elevated Blood Glucose

Increased levels of glucose in the bloodstream, potentially indicating health conditions like diabetes.

Metabolic Syndrome

A cluster of conditions that occur together, increasing the risk of heart disease, stroke, and type 2 diabetes.