Question: Given a simple random sample of size n = 22 from a Normal population with mean and standard deviation , we test the hypotheses .

Given a simple random sample of size n = 22 from a Normal population with mean and standard deviation , we test the hypotheses . If is unknown, and the observed value of the test statistic is -1.87, determine the p-value of the test (give answers correct to 3 decimal places).

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