+ 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.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.5: The Distance And Midpoint Formulas
Problem 4C
Related questions
Question
Answer the exercise of the image.
(In the other image are the final answers, this to verify the final answer).
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.
Transcribed Image Text:We fail to reject Họ, because zo = 1.58 > -2.33
C0.01-
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