A motel owner has a bank loan for the business. The motel ow…
A motel owner has a bank loan for the business. The motel owner says the business has average daily revenue of at least $2,048. If the average is less than $2,048, the bank will charge the motel owner a higher interest rate on the loan. A bank employee randomly selects 30 days during the last six months. The sample has a mean of $2,003 and standard deviation of $115. At the 5% significance level and 29 degrees of freedom, is the average revenue less than $2048? What is/are the critical t value(s)?
Read DetailsExhibit 7 An insurance company selected samples of clients u…
Exhibit 7 An insurance company selected samples of clients under 18 years of age and over 18 and recorded the number of accidents they had in the previous year. The results are shown below. Under Age of 18 Over Age of 18 n1 = 500 n2 = 600 Number of accidents = 180 Number of accidents = 150 We are interested in determining if the accident proportion for clients under 18 is higher than the proportion for clients over 18. Refer to Exhibit 7. The test statistic is
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