Chapter 6
MATH – 200
Form A
1. A bank’s loan officer rates application for credit.
The ratings are normally distributed with a
mean of 200 and a standard deviation of 50.
(a)
If an applicant is randomly selected, find the probability of a
rating that is between 200 and 275.
a. ____________________
(b)
If an applicant is randomly selected, find the probability of a
rating that is below 250.
b. ____________________
(c)
If an applicant is randomly selected, find the probability of a
rating that is above 300.
c. ____________________
(d)
If an applicant is randomly selected, find the probability of a
rating that is between 170 and 220.
d. ____________________
(e)
If an applicant is randomly selected, find the probability of a
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 Spring '10
 Kazaryan
 Statistics, Normal Distribution, Probability, Standard Deviation, Mean

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