1. Find the variance of the t - distribution with 35 degrees of freedom. 2. Find the value of ta for a 95% confidence interval when the sample size is 25. 2 3. Find an interval of values for Z using the standard normal distribution, corresponding to an area of 91.3%

1. Find the variance of the t - distribution with 35 degrees of freedom. 2. Find the value of ta for a 95% confidence interval when the sample size is 25. 2 3. Find an interval of values for Z using the standard normal distribution, corresponding to an area of 91.3%

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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1. Find the variance of the t - distribution with 35 degrees of
freedom.
2. Find the value of ta for a 95% confidence interval when the
sample size is 25.
2
3. Find an interval of values for Z using the standard normal
distribution, corresponding to an area of 91.3%

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