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Rape Victim Statistics

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A report by the Department of Justice on rape-victims reports on interviews with 3721 victims. The attacks were classified by the age of he victim and the relationship of the victim to the rapists. The results of the study are given in the table below.
Relationship of Rapist

Age of Victim Family Acquaintance or Friend Stranger
under 12 153 167 13
12 to 17 230 746 172
over 17 269 1232 739

a. What is the probability that a victim was under 12 years of age?
b. What is the probability that a victim was between 12 and 17 and that the rapist was a member of the family?
c. What is the probability that a victim was under 12 or that the rapist was an
acquaintance or a friend?
d. What is the probability the victim was not under 12 years of age?
e. What is the probability the rapist was not a family member, acquaintance, or friend?

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Solution Summary

The solution uses hypothesis testing to determine the relationship between victims and rapists.

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