Use the one-proportion z-test to perform the required hypothesis test. Use the critical-value approach.
-A manufacturer considers his production process to be out of control when defects exceed 3%. In a random sample of 85 items, the defect rate is 5.9% but the manager claims that this is only a sample fluctuation and that production is not really out of control. At the 0.01 level of significance, do the data provide sufficient evidence that the percentage of defects exceeds 3%?
Correct Answer:
Verified
Test statistic:
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q13: The college daily reported: "450 students
Q14: Use the two-proportions z-test to perform the
Q15: Use the one-proportion z-test to perform the
Q16: Use the two-proportions z-test to perform the
Q17: In a poll of 2490 voters in
Q19: A researcher is interested in estimating the
Q20: Use the two-proportions z-test to perform the
Q21: Use the one-proportion z-test to perform the
Q23: Provide an appropriate response.
-For what kinds of
Q25: Use the two-proportions z-test to perform the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents