Answered: A third-party manufacture of batteries…

Name: A third-party manufacture of batteries for android phones claims that
Uploaded: 2024-03-20T07:07:12.000Z
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Description: A third-party manufacture of batteries for android phones claims that a new battery model can provide more than 240 continuous minutes to talk to him on a single charge. Consumer reports wants to confirm this claim and selects a simple random sample

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A third-party manufacture of batteries for android phones claims that a new battery model can provide more than 240 continuous minutes to talk to him on a single charge. Consumer reports wants to confirm this claim and selects a simple random sample of 40 batteries for testing. The batteries produce a sample average of 255 minutes and a sample standard deviation of 50 minutes construct a no and AlterNet hypothesis that consumer report should use to confirm the claim. Based on the sample data what can they conclude? Use a .05 level of significance.

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