10) In an article about the cost of health care, Money magazine reported that a visit to a hospital emergency room for s

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10) In an article about the cost of health care, Money magazine
reported that a visit to a hospital emergency room for something as
simple as a sore throat has a mean cost of $328. Assume that the
cost for this type of hospital emergency room visit is normally
distributed with a standard deviation of $92. Answer the following
questions about the cost of a hospital emergency room visit for
this medical service. NEED FORMULAS TO SOLVE IN
EXCEL.
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 for
this medical service, find the cost of this patient’s emergency
room visit?