Use the Two-Proportions Z-Interval Procedure to Obtain the Required Confidence

question 31

Multiple Choice

Use the two-proportions z-interval procedure to obtain the required confidence interval for the difference between twopopulation proportions. Assume that independent simple random samples have been selected from the two populations.
-A survey found that 28 of 69 randomly selected women and 41 of 78 randomly selected men follow a regular exercise program. Find a 95% confidence interval for the difference between the
Proportions of women and men who follow a regular exercise program.

• A)-0.310 to 0.596
• B)0.215 to 0.596
• C)0.245 to 0.566
• D)-0.280 to 0.040

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Definitions:

Protestant Christianity

A branch of Christianity that originated with the Reformation, a movement against perceived errors in the Roman Catholic Church, emphasizing the authority of the Bible and salvation through faith alone.

Catholicism

A branch of Christianity based on the teachings of the Roman Catholic Church, led by the Pope in Vatican City.

Dramatic Expansion

A rapid and significant increase in size, scope, or scale of an entity or phenomenon, often associated with development or growth.