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September 20, 2014

Homework Help: statistics

Posted by lola on Friday, March 23, 2012 at 12:01pm.

What are the chances that a person who is murdered actually knew the murderer? About 64% of people who are murdered actually knew the murderer. Suppose that a detective file in New Orleans has 63 unsolved murders. What is the probability that
A )at least 35 of the victims knew their murderers?
B) at most 48 of the victims knew their murderers?
c)less than 30 victims did not know their murderer?
d) More than 20 victims did not know their murderer?

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