The advertised claim for batteries for cell phones is set at 48 operating hours with proper charging procedures. A study of 5000 batteries is carried out and 15 stop operating prior to 48 hours. Do these experimental results support the claim that less than 0.2 percent of the company's batteries will fail during the advertised time period, with proper charging procedures? Use a hypothesis-testing procedure with a = 0.01.

MATLAB: An Introduction with Applications
6th Edition
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Chapter1: Starting With Matlab
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14. What is the critical value? *
-2.3263
1.9600
O 1.6449
15. What is the Standard Test Statistic? *
1.6872
O 3.1276
1.5827
16. What is the Statistical Decision? *
O 13.1276| > |1.9600|: Reject HO
O 1.5827|< |2.3263|: Do not Reject HO
O 1.6872| > |1.6449|: Reject HO
17. What is the Statistical Decision in statement form? *
With 0.01 level of significance, there is strong evidence that less than 0.2 percent of the company's
batteries will fail duuring the advertized time period.
With 0.01 level of significance, there is no sufficient evidence that less than 0.2 percent of the company's
batteries will fail duuring the advertized time period.
Transcribed Image Text:14. What is the critical value? * -2.3263 1.9600 O 1.6449 15. What is the Standard Test Statistic? * 1.6872 O 3.1276 1.5827 16. What is the Statistical Decision? * O 13.1276| > |1.9600|: Reject HO O 1.5827|< |2.3263|: Do not Reject HO O 1.6872| > |1.6449|: Reject HO 17. What is the Statistical Decision in statement form? * With 0.01 level of significance, there is strong evidence that less than 0.2 percent of the company's batteries will fail duuring the advertized time period. With 0.01 level of significance, there is no sufficient evidence that less than 0.2 percent of the company's batteries will fail duuring the advertized time period.
The advertised claim for batteries for cell phones is set at 48 operating hours with proper charging procedures. A study of
5000 batteries is carried out and 15 stop operating prior to 48 hours. Do these experimental results support the claim
that less than 0.2 percent of the company's batteries will fail during the advertised time period, with proper charging
procedures? Use a hypothesis-testing procedure with a = 0.01.
Transcribed Image Text:The advertised claim for batteries for cell phones is set at 48 operating hours with proper charging procedures. A study of 5000 batteries is carried out and 15 stop operating prior to 48 hours. Do these experimental results support the claim that less than 0.2 percent of the company's batteries will fail during the advertised time period, with proper charging procedures? Use a hypothesis-testing procedure with a = 0.01.
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