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Question: According to Chance magazine ([1993], 6, no. 3, p. 5), the mean healthy adult temperature is around 98.2° Fahrenheit, not the previously assumed value of 98.6°. Suppose the standard deviation is 0.6 degree and the population of healthy temperatures is bell-shaped.

a. What proportion of the population have temperatures at or below the presumed norm of 98.6°?

b. Would it be accurate to say that the normal healthy adult temperature is 98.2° Fahrenheit? Explain.

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