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Normal Probabilities and Confidence Intervals

I would like to have the attached sample questions completed in excel format, so that I can see the formulas used.

Thanks

© BrainMass Inc. brainmass.com July 18, 2018, 10:19 pm ad1c9bdddf

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Solution Summary

The solution provides step by step method for the calculation of confidence interval and normal probabilities. Attached in Excel.

$2.19