Chapter 3, Problem 109H

Table 3.20 gives the number of suicides estimated in the U.S. for a recent year by age, race (black or white), and sex. We are Interested In possible relationships between age, race, and sex. We will let suicide victims be our population.

Table 3.20

a. Fill In the column for the suicides for individuals over age 6.1.

b. Fill In the row for all other races.

c. Find the probability that a randomi selected Individual was a white male.

d. Find the probability that a randomly selected Individual was a black female.

e. Find the probabili that a randomly selected Individual was black

f. Find the probability that a randomly selected Individual was a black or white male.

g. Out of the Individuals over age 64, find the probabili that a randomly selected individual was a black or white male.

Race and Sex	1—14	15—24	25—64	over 64	TOTALS
white, male	210	3.360	13.610	— —	22.050
white, female	80	580	3.380		4.930
black, male	10	460	1.060		1,670
black, female	0	40	270		330
all others
TOTALS	310	4.650	18,780		29,760