2. There is a 1% delinquency rate for consumers with FICO credit score above 800. We choose a random sample of 5 people with FICO score above 800. a) Find the probability 2 of them become delinquent. b) Find the probability that none of them become delinquent. c) Find the mean and the standard deviation of the distribution. d) Is it unusual to see 4 out of 5 people become delinquent?
2. There is a 1% delinquency rate for consumers with FICO credit score above 800. We choose a random sample of 5 people with FICO score above 800. a) Find the probability 2 of them become delinquent. b) Find the probability that none of them become delinquent. c) Find the mean and the standard deviation of the distribution. d) Is it unusual to see 4 out of 5 people become delinquent?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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2. There is a 1% delinquency rate for consumers with FICO credit score above 800. We choose a
random sample of 5 people with FICO score above 800.
a) Find the probability 2 of them become delinguent.
b) Find the probability that none of them become delinquent.
c) Find the mean and the standard deviation of the distribution.
d) Is it unusual to see 4 out of 5 people become delinquent?
3. About 7% of people in the world are known to have O negative blood type. Find the following
probabilities in 4 trials.
a) 3 have O negative blood type.
b) All of them have O negative blood type.
c) Is it unusual to find all of them have O negative blood type?
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