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A manufacturer uses machines to package sweets. The information printed on the packages states that the total weight of sweets per package is 225g. A customer claims that this value is too high. A sample of 25 packages yielded a mean weight of 221g with a standard deviation of 3g. It is assumed that the package weight is normally distributed. The value of the test statistic is equal to -6.7. 1. In testing the hypothesis H1: p < 225 at the 2.5% level of significance, the rejection region is: O a. (-*, -2.064) O b. (-*, +2.064) O C. (-2.064, +«) O d.(+2.064, +*) 2. The correct decision is: O a. Accept Ho O b. Reject Ho OC. Fail to accept Ho O d. Fail to reject Ho 3. The correct conclusion is: O a. There is sufficient evidence to prove the manufacturer's printed information O b. There is insufficient evidence to prove the manufacturer's printed information O C. There is sufficient evidence to support the customer's claim O d. There is insufficient evidence to support the customer's claim

A manufacturer uses machines to package sweets. The information printed on the packages states that the total weight of sweets per package is 225g. A customer claims that this value is too high. A sample of 25 packages yielded a mean weight of 221g with a standard deviation of 3g. It is assumed that the package weight is normally distributed. The value of the test statistic is equal to -6.7. 1. In testing the hypothesis H1: p < 225 at the 2.5% level of significance, the rejection region is: O a. (-*, -2.064) O b. (-*, +2.064) O C. (-2.064, +«) O d.(+2.064, +*) 2. The correct decision is: O a. Accept Ho O b. Reject Ho OC. Fail to accept Ho O d. Fail to reject Ho 3. The correct conclusion is: O a. There is sufficient evidence to prove the manufacturer's printed information O b. There is insufficient evidence to prove the manufacturer's printed information O C. There is sufficient evidence to support the customer's claim O d. There is insufficient evidence to support the customer's claim

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A manufacturer uses machines to package sweets. The information printed on the packages states that the total weight of sweets per package is 225g. A customer claims that this value is too high. A sample of 25 packages yielded a mean weight of 221g with a standard deviation of 3g. It is assumed that the package weight is normally distributed. The value of the test statistic is equal to -6.7. 1. In testing the hypothesis H1: µ < 225 at the 2.5% level of significance, the rejection region is: O a. (-*, -2.064) O b.(-*, +2.064) O . (-2.064, +*) O d. (+2.064, +*) 2. The correct decision is: Оа. Ассеpt Ho O b. Reject Ho OC. Fail to accept Ho O d. Fail to reject Ho 3. The correct conclusion is: O a. There is sufficient evidence to prove the manufacturer's printed information O b. There is insufficient evidence to prove the manufacturer's printed information Oc. There is sufficient evidence to support the customer's claim O d. There is insufficient evidence to support the customer's claim
Transcribed Image Text:A manufacturer uses machines to package sweets. The information printed on the packages states that the total weight of sweets per package is 225g. A customer claims that this value is too high. A sample of 25 packages yielded a mean weight of 221g with a standard deviation of 3g. It is assumed that the package weight is normally distributed. The value of the test statistic is equal to -6.7. 1. In testing the hypothesis H1: µ < 225 at the 2.5% level of significance, the rejection region is: O a. (-*, -2.064) O b.(-*, +2.064) O . (-2.064, +*) O d. (+2.064, +*) 2. The correct decision is: Оа. Ассеpt Ho O b. Reject Ho OC. Fail to accept Ho O d. Fail to reject Ho 3. The correct conclusion is: O a. There is sufficient evidence to prove the manufacturer's printed information O b. There is insufficient evidence to prove the manufacturer's printed information Oc. There is sufficient evidence to support the customer's claim O d. There is insufficient evidence to support the customer's claim
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