# Question

From the Florida State Center for Health Statistics report Women and Cardiovascular Disease Hospitalization, we obtained the following table showing the number of female hospitalizations for cardiovascular disease, by age group, during one year.

Age group (yr) Number

0–19 ............. 810

20–39 ............. 5,029

40–49 ............. 10,977

50–59 ............. 20,983

60–69 ............. 36,884

70–79 ............. 65,017

80 and over .......... 69,167

One of these case records is selected at random. Find the probability that the woman was

a. In her 50s.

b. Less than 50 years old.

c. Between 40 and 69 years old, inclusive.

d. 70 years old or older.

Age group (yr) Number

0–19 ............. 810

20–39 ............. 5,029

40–49 ............. 10,977

50–59 ............. 20,983

60–69 ............. 36,884

70–79 ............. 65,017

80 and over .......... 69,167

One of these case records is selected at random. Find the probability that the woman was

a. In her 50s.

b. Less than 50 years old.

c. Between 40 and 69 years old, inclusive.

d. 70 years old or older.

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