Problem 130e

Given information

As given by the question,

• On May , , Gallup reported that of the  people surveyed, % of U.S. workers believe that they will continue working past retirement age.
• The confidence level for this study was reported at % with a ±% margin of error.

To find:- Part (e). Compare the error bound in part d to the margin of error reported by Gallup. Explain any differences between the values.

Step-by-step explanation

As given by the question,

• We can already see that there is a negligible difference between the two error bounds.
• The upper error bound, so found; is very close to the value of the error bound found by Gallup.
• The upper bound error found is and the error bound found by Gallup is .