Textbook ExpertVerified Tutor
11 Nov 2021
Given information
As per the given 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 (c). Identify CL and α.
Step-by-step explanation
Step 1.
As per the given question,
- Confidence level for the study by Gallup has been given as %.
- Hence, required CL is % or
- We can state that a=,
a=,
a=
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