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 5.8 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 14% of counts? (a) the minimum red blood cell count is nothing million cells per microliter."
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 5.8 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 14% of counts? (a) the minimum red blood cell count is nothing million cells per microliter."
Given:
a) The minimum red blood cell count that can be in the top 28% of counts is obtained as below:
The p-value is obtained from excel using "=NORMSINV(probability)".
Output obtained using Excel is given below:
From the output, the value is 0.5828.
Thus, the minimum red blood cell count that can be in the top 28% of counts is 6.03 million cells per microliter.
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