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Suppose we have calculated X = 0.5 and s = 1 from a simple random sample of size n = 40 drawn from a population

Suppose we have calculated X = 0.5 and s = 1 from a simple random sample of size n = 40 drawn from a population with mean . Calculate the p value for testing H0 : = 0 against HA : > 0, and carry out the test at the 5% significance level

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