Question

Questions 16-20: Typically 10% ofcans offruit prepared usingthe currentprocess how discoloration after 90 days, In a random sample of 225 cans prepared with a new process. 12 show discoloration afier 90 days Perform an hypothesis test at a01 to determine if the new process makes a difference in the percentage of cans showing discoloration 16. This hypothesis test is a involving a population a) ITT, mean b) ITT, proportion c) 2TT, mean d) 2TT, proportion e) none of these The test statistic is: a) -2.33 b) .0098 c 0196 d) .0533 e) none of these 17. 18. The critical z-scores are: a) +1.645 b) t1.96 c) 2.33 d) t2.58 e) none of these The p-value is: a) -2.33 b 0098 19. .0196 d).0533 e) none of these Comparing the p-value to α, the test result is: a) reject Ho because the p-value is less than a b) FTR Ho because the p-value is less than a c) reject Ho because the p-value is greater than a d) FTR Ho because the p-value is greater than a 20. e) none of these

Answer 1