DSC 670 Assignment 8
|a.||Use a 0.01 level of significance, and test to determine if there has been an increase in the life expectancy of the “D” size batteries.|
|b.||What is the p-value associated with the sample results? What is your conclusion, based on the p-value?|
|a.||With a 0.05 level of significance, test to determine whether or not the manufacturer’s advertising campaign is legitimate.|
|b.||What is the p-value associated with the sample results?|
|a.||State the null and alternative hypotheses.|
|b.||Using a critical value, test the null hypothesis at the 5% level of significance.|
|c.||Using a p-value, test the hypothesis at the 5% level of significance.|
|d.||Compute the probability of a Type II error if the true average delivery time is 17 days after purchase.|
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