# Question

The distribution of red blood cell counts is different for men and women. For both, the distribution is approximately Normal. For men, the middle 95% range from 4.5 to 5.7 million cells per microliter, and for women, the middle 95% have red blood cell counts between 3.9 and 5.0 million cells per microliter.

a. What is the mean for the men? Explain your reasoning.

b. Find the standard deviation for the men. Explain your reasoning.

a. What is the mean for the men? Explain your reasoning.

b. Find the standard deviation for the men. Explain your reasoning.

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