Probability and Statistics

Use a significance level of 0.05. 4. When 14 different 2nd year medical students measured the systolic blood pressure of the same person, they found the average blood pressure was 137 mmHg and the standard deviation to be 10 mmHg. Using a 0.05 significance level, test the claim that the mean blood pressure level is less than 140 mm Hg. ................
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