The red blood cell counts(in millions of cells permicroliter) for a population of adult males can be approximated by a normaldistribution, with a mean of 5.6 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 26% ofcounts?

(b) What is the maximum red blood cell count that can be in the bottom 12% ofcounts?

(a) The minimum red blood cell count is ____ million cells per microliter.

(Round to two decimal places asneeded.)

2)

In a recent study on worldhappiness, participants were asked to evaluate their current lives on a scale from 0 to10, where 0 represents the worst possible life and 10 represents the best possible life. The mean response was 5.9 with a standard deviation of 2.3.

(a) What response represents the 92nd percentile?

(b) What response represents the 62nd percentile?

(c) What response represents the first quartile?

(a) The response that represents the 92nd percentile is

.

(Round to two decimal places asneeded.)