Question: Translate the excerpt below into a confidence interval for p and approximate the value of level confidence, c. in a survey of 8421 adults, 30.6%

Translate the excerpt below into a confidence interval for p and approximate the value of level confidence, c.

in a survey of 8421 adults, 30.6% said they were taking vitamin E as a supplement. The survey's margin of error is plus or minus 1%

The confidence interval for proportion p is ___

The interval is approximately a__% confidence interval.

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