statistics
posted by anaya on .
Cholesterol levels of adult males are approximately normally distributed with a mean of mg/dL and a listed standard deviation of . Some researchers claim that the standard deviation of cholesterol levels of adult males is less than . Suppose that we want to carry out a hypothesis test to see if the actual standard deviation of cholesterol levels of adult males is less than . State the null hypothesis and the alternative hypothesis that we would use for this test

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