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In an article about the cost of health care, Money magazine reported that a visit to...

In an article about the cost of health care, Money magazine reported that a visit to the hospital emergency room for something as simple as sore throat has a mean cost of $328. Assume that the cost of this type of hospital emergency room visit is normally distributed with a standard deviation of $92.

) a. What is the probability that the cost will be more than $500?

b. What is the probability that the cost will be less than $250?

c. What is the probability that the cost will be between $300 and $400?

d. If the cost to a patient is in the lower 8% of charges to this medical service, what was the cost of this patient’s emergency room visit?

Math   Statistics-And-Probability   
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