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Given the hypotheses below. H0 : 150 HA: < 150 a)Calculate the test statistic for sample of size60, mean25, and standard deviation of5. (8 marks)

Given the hypotheses below.

H0 : 150

HA: < 150

a)Calculate the test statistic for sample of size60, mean25, and standard deviation of5. (8 marks)

b) At Alpha= 0.05, do you reject or not reject the null hypothesis?

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