In a survey of 1040 adults, a poll asked, \"Are you worried or not worried about

Question

In a survey of 1040 adults, a poll asked, "Are you worried or not worried about having enough money for retirement?" Of the 1040surveyed, 596 stated that they were worried about having enough money for retirement. Construct a 95% confidence interval for the proportion of adults who are worried about having enough money for retirement. A 95% confidence interval for the proportion of adults who are worried about having enough money for retirement is (_________,_________). (Use ascending order. Round to four decimal places as needed.)

Explanation / Answer

A 95% confidence interval for the proportion of adults who are worried about having enough money for retirement is

=?

p = 596/1040 = .573

And the Z = 1.96

A 95% CI is .573 +/- 1.96*sqrt(.573*.437/1040)

=.5426 to .6034

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