Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 01 Nov 2017 My Price 5.00

mean battery life

A consumer organization collected data on two types of automobile batteries, A and B. The summary statistics for 12 observations of each type are   Assume that the data are normally distributed with

(a) Is there evidence to support the claim that type A battery mean life exceeds that of type B? Use the P-value in answering this question.

(b) Construct a one-sided 99% confidence bound for the difference in mean battery life. Explain how this interval confirms your finding in part (a).

(c) Suppose that if the mean life of type A batteries exceeds that of type B by as much as 2 months, it is important to detect this difference with probability at least 0.95 when α = 0.01. Is the choice of n1 = n2 = 12 of this problem adequate?

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Maurice Tutor
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Status NEW Posted 01 Nov 2017 09:11 PM My Price 5.00

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