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In a sample of 92 people who have had strokes, the average cholesterol level was 254 with a standard deviation of 48. In order to test the hypothesis (at the 5% level of significance) that the average cholesterol level of people who have had strokes was at least 240, what is the test statistic? (please round your answer to 2 decimal places

Test: µ < 240 with normal distnHypothesis test:H0 : µ ≥ 240Ha : µ < 240 (Null Hypothesis, H0 : µ = 240 is also correct)(Alternative Hypothesis, also called H1 ) This is lower tailed…

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