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

Question

Cholesterol levels of adult males are approximately normally distributed with a mean of  mg/dL and a listed variance of . Some researchers claim that the variance of cholesterol levels of adult males is less than . Suppose that we want to carry out a hypothesis test to see if the actual variance 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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 How do I enter a symbol for Statistics?

PsyDAG · Answer

I have copied symbols from other sources and pasted them in a page in my computer. Then, when I need them, I copy and paste from that source. You are also missing the numbers in your post.

ChingChongWong · Answer

CHEATER