3. A computer manufacturer ships laptop computers with the batteries fully charged so that customers can begin to use their purchases right out of the box. In its last model, 85% of customers received fully charged batteries. To simulate arrivals, the company shipped 100 new model laptops to various company sites around the country. Of the 100 laptops shipped, 96 of them arrived reading 100% charged. Do the data provide evidence that this model's rate is at least as high as the previous model? Test the hypothesis at a=0.05.

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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3. A computer manufacturer ships laptop
computers with the batteries fully charged so
that customers can begin to use their
purchases right out of the box. In its last model,
85% of customers received fully charged
batteries. To simulate arrivals, the company
shipped 100 new model laptops to various
company sites around the country. Of the 100
laptops shipped, 96 of them arrived reading
100% charged. Do the data provide evidence
that this model's rate is at least as high as the
previous model? Test the hypothesis at a=0.05.
Transcribed Image Text:3. A computer manufacturer ships laptop computers with the batteries fully charged so that customers can begin to use their purchases right out of the box. In its last model, 85% of customers received fully charged batteries. To simulate arrivals, the company shipped 100 new model laptops to various company sites around the country. Of the 100 laptops shipped, 96 of them arrived reading 100% charged. Do the data provide evidence that this model's rate is at least as high as the previous model? Test the hypothesis at a=0.05.
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