# Question

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 following table.

Age (yr) Frequency

20–24 ........ 2834

25–29 ........ 2262

30–34 ........ 1649

35–39 ........ 1257

40–44 ........ 1194

45–49 ........ 938

50–54 ........ 708

55–59 ........ 384

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.

Age (yr) Frequency

20–24 ........ 2834

25–29 ........ 2262

30–34 ........ 1649

35–39 ........ 1257

40–44 ........ 1194

45–49 ........ 938

50–54 ........ 708

55–59 ........ 384

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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