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The mean of 20 degrees C is obtained for 40 temperatures on 40 different days. assuming that the standard deviation =1.5, test the claim that the...

The mean of 20 degrees C is obtained for 40 temperatures on 40 different days. assuming that the standard deviation =1.5, test the claim that the population mean is 22 degrees C. Use a 0.05 significance level.
Identify the null hypothesis, alternative hypothesis, test statistic, P-value, conclusion about null hypothesis, and final conclusion that addresses the original claim.

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