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    Frequency probability of murder victims' ages

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    As reported by the Federal Bureau of Investigation in Crime in the United States, the age distribution of murder victims between 20 and 59 years old is as shown in the attached table.

    A murder case in which the person murdered was between 20 and 59 years old is selected at random. Find the probability that the murder victim was

    a. between 40 and 44 years old, inclusive.
    b. at least 25 years old, that is, 25 years old or older.
    c. between 45 and 59 years old, inclusive.
    d. under 30 or over 54.

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    Solution Summary

    The solution shows how to determine the probability of the age of certain murder victims given the Federal Bureau of Investigation data.