Use the attached spreadsheet to complete the questions.

1. Use the file by selecting one hundred samples of thirty waiting times

a. Calculate the exact 95 percent upper and lower confidencr limits for each sample

b. Use the =AND statement to determine whether the confidence limits for each sample contain true population mean. (ex. =And(upper limit>mu,lower limit<mu)

c. Use =Countif to determine whether the proportion of samples of the one hundred actually contains the true mean of the population within the 95 percent limits

d. Can you account for the result you got in (C)?

Attached is the spreadsheet.

Please use an excel spreadsheet to complete and show work. Thjanks!

Subject | Mathematics |

Due By (Pacific Time) | 11/01/2013 10:00 am |

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