The red blood cell counts (in millions of cells per microliter) for a population of adult males can be approximated by a normal distribution, with a mean of 5.5 million cells per microliter and a standard deviation of 0.4 million cells per microliter. (a) What is the minimum red blood cell count that can be in the top 28% of counts? (b) What is the maximum red blood cell count that can be in the bottom 15% of counts?
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Given: Mean (μ) = 5.5 million cells per microliter Standard Deviation (σ) = 0.4 million cells per microliter Top 28% corresponds to a probability of 0.72 (1 - 0.28) Show more…
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