A company makes two products, A and B. A sells for 100 and B sells for 90 . The variable production costs are 30 per unit for A and 25 for B. The company's objective could be written as: MAX 190x1 - 55x2.
Indicate whether the statement is true or false
Question 2
A student believes that the average grade on the statistics final examination is 87 . A sample of 36 final examinations is taken. The average grade in the sample is 83.96 . The population variance is 144.
a. State the null and alternative hypotheses.
b. Using a critical value, test the hypothesis at the 5 level of significance.
c. Using a p-value, test the hypothesis at the 5 level of significance.
d. Using a confidence interval, test the hypothesis at the 5 level of significance.
e. Compute the probability of a Type II error if the average grade on the final is 85.