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+ 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 operat- ing prior to 48 hours. Do these experimental results support the claim that less than 0.2 percent of the company's batter- ies will fail during the advertised time period, with proper charging procedures? Use a hypothesis-testing procedure with a = 0.01.

+ 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 operat- ing prior to 48 hours. Do these experimental results support the claim that less than 0.2 percent of the company's batter- ies will fail during the advertised time period, with proper charging procedures? Use a hypothesis-testing procedure with a = 0.01.

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Answer the exercise of the image.

(In the other image are the final answers, this to verify the final answer).

+ 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 operat- ing prior to 48 hours. Do these experimental results support the claim that less than 0.2 percent of the company's batter- ies 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 operat- ing prior to 48 hours. Do these experimental results support the claim that less than 0.2 percent of the company's batter- ies will fail during the advertised time period, with proper charging procedures? Use a hypothesis-testing procedure with a = 0.01.
We fail to reject Họ, because zo = 1.58 > -2.33 C0.01-
Transcribed Image Text:We fail to reject Họ, because zo = 1.58 > -2.33 C0.01-
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