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Regular Voters in America Thirty-five percent of adult
Chapter 7, Problem 4(choose chapter or problem)
Regular Voters in America Thirty-five percent of adult Americans are regular voters. A random sample of 250 adults in a medium-size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on your results.
Questions & Answers
QUESTION:
Regular Voters in America Thirty-five percent of adult Americans are regular voters. A random sample of 250 adults in a medium-size college town were surveyed, and it was found that 110 were regular voters. Estimate the true proportion of regular voters with 90% confidence and comment on your results.
ANSWER:Step 1 of 3
Given:
The sample proportion is the number of successes divided by the sample size:
.