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The FBI Standard Survey of Crimes showed that for about 80% of all property crimes, the criminals are never found and the case is never solved. Suppose that a neighborhood district in a large city has repeated property crimes, not always by the same criminals. The police are investigating six property crime cases in the district.

a. What is the probability that noine of the crimes will ever be solved?

b. What is the probability that atleast one crime will be solved?

c. What is the expected number of crimes that will be solved? What is the standard deviation?

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Category:- Statistics and Probability
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