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A manufacturer of car batteries claims that his product will last at least 4 years on average. A sample of 41 is taken a

Posted: Sun Sep 05, 2021 5:02 pm
by answerhappygod
A manufacturer of car batteries claims that his
product will last at least 4 years on average. A sample of 41 is
taken and the mean and standard deviation are found. The test
statistic is calculated to be -1.656. Using a 5% level,
a)     Specify the null
and alternative hypothesis?
b)     What is the appropriate test
statistic?
c)     What is the final decision
(accept or reject the null hypothesis)?
A Manufacturer Of Car Batteries Claims That His Product Will Last At Least 4 Years On Average A Sample Of 41 Is Taken A 1
A Manufacturer Of Car Batteries Claims That His Product Will Last At Least 4 Years On Average A Sample Of 41 Is Taken A 1 (161.88 KiB) Viewed 103 times
A manufacturer of car batteries claims that his product will last at least 4 years on average. A sample of 41 is taken and the mean and standard deviation are found. The test statistic is calculated to be -1.656. Using a 5% level, a) Specify the null and alternative hypothesis? b) What is the appropriate test statistic? c) What is the final decision (accept or reject the null hypothesis)? 1 A- B I !!! III E & >I > III O >