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What is the final decision for a claim that the mean value of males weight is less than 150 pounds for a significant level of

What is the final decision for a claim that the mean value of males weight is less than 150 pounds for a significant level of 0.05 using a rejection region method?

A sample with a mean of 145 pounds, size of 41, and a standard deviation of 16 pounds is selected.

We fail to reject the null hypothesis
The alternative hypothesis is true
The stated claim is true
The stated claim is false

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