On May 23, 2013, Gallup reported that of the 1,005 people surveyed, 76% of U.S. workers believe that they will continue working past retirement age. The confidence level for this study was reported at 95% with a ±3% margin of error. (a) Determine the estimated proportion from the sample.

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25-11-2019
Mathematics

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On May 23, 2013, Gallup reported that of the 1,005 people surveyed, 76% of U.S. workers believe that they will continue working past retirement age. The confidence level for this study was reported at 95% with a ±3% margin of error. (a) Determine the estimated proportion from the sample.

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JeanaShupp JeanaShupp · Answer 1 · 2019-11-26T09:36:32+01:00

Answer: 0.76

Step-by-step explanation:

We know that the sample proportion is the best estimate of the population proportion. (1)

Given : Gallup reported that of the 1,005 people surveyed, 76% of U.S. workers believe that they will continue working past retirement age.

Let p be the population proportion.

We have sample proportion: [tex]\hat{p}=76\%=0.76[/tex]

Therefore, the estimated proportion of U.S. workers believe that they will continue working past retirement age from the sample = [tex]\hat{p}=0.76[/tex]