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Determine the margin of error for a confidence interval to estimate the population mean with

`n=34`

and

`\sigma =40`

for the following confidence levels. a)

`93%`

b)

`94%`

c)

`97%`

Click the icon to view the cumulative probabilities for the standard normal distribution. a) With a

`93%`

confidence level, the margin of error is (Round to two decimal places as needed.) b) With a

`94%`

confidence level, the margin of error is (Round to two decimal places as needed.) c) With a

`97%`

confidence level, the margin of error is (Round to two decimal places as needed.)