The advertised claim for batteries for cell phones is set at 48 operating hours. The operating hours of 5000 batteries is tested and 0.28% of them failed during the advertised period. Does this experimental result support the claim that less than 0.2 percent of the company's batteries will fail during the advertised period? Use hypothesis testing procedure with α = 0.01. (Hint: The alternative hypothesis is what you might believe to be true or hope to prove true.)

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
icon
Related questions
Question
The advertised claim for batteries for cell phones is set at 48 operating hours. The operating
hours of 5000 batteries is tested and 0.28% of them failed during the advertised period. Does
this experimental result support the claim that less than 0.2 percent of the company's batteries
will fail during the advertised period? Use hypothesis testing procedure with α = 0.01. (Hint:
The alternative hypothesis is what you might believe to be true or hope to prove true.)
Transcribed Image Text:The advertised claim for batteries for cell phones is set at 48 operating hours. The operating hours of 5000 batteries is tested and 0.28% of them failed during the advertised period. Does this experimental result support the claim that less than 0.2 percent of the company's batteries will fail during the advertised period? Use hypothesis testing procedure with α = 0.01. (Hint: The alternative hypothesis is what you might believe to be true or hope to prove true.)
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
Recommended textbooks for you
Holt Mcdougal Larson Pre-algebra: Student Edition…
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill