48. Suppose the temperature of healthy humans is approximately normal with a mean of 98.6 degrees and a standard deviation of 0.8 degrees. a. If a healthy person is selected at random, what is the probability that the person has a temperature above 99.0 degrees? b. What is the 95th percentile for the body temperature of healthy humans? c. A person with a temperature 2 standard deviation more than the average temperature is considered to be an emergency case. What must the temperature of a person be before he or she is brought to an emergency room?

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