4.75 Violent Crime City crime records show that 20% of all crimes are violent and 80% are...

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4.75 Violent Crime City crime records show that 20% of all crimes are violent and 80% are non-violent,

involving theft, forgery, and so on. Ninety percent of violent crimes are reported versus 70% of non-violent crimes.

a. What is the overall reporting rate for crimes in the city?

b. If a crime in progress is reported to the police, what is the probability that the crime is violent? What is the probability that it is non-violent?

c. Refer to part

b. If a crime in progress is reported to the police, why is it more likely that it is a non-violent crime? Wouldn't violent crimes be more likely to be reported? Can you explain these results?

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