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Mathematics, 08.12.2021 05:10 yokis2710

Dr. M wanted to estimate the mean cholesterol level for men living in Hartford. He took a sampled of 20 men from Hartford and found that mean cholesterol level is 86 with a standard deviation of 12. He wants to construct a 99 % confidence interval for mean cholesterol level of men. In this case, the level of significance a and the critical value?

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