We are interested in whether the proportions of female suici

We are interested in whether the proportions of female suicide victims for ages 15 to 24 are the same for the whites and the blacks races in the United States. We randomly pick one year, 1992, to compare the races. The number of suicides estimated in the United States in 1992 for white females is 4,930. Five hundred eighty were aged 15 to 24. The estimate for black females is 330. Forty were aged 15 to 24. We will let female suicide victims be our population.

Solution

proportions of female suicide victims for ages 15 to 24

white females 4930

580 were aged 15 to 24

black females is 330

40 were aged 15 to 24

in total female suicide victims = 330 + 4930 = 5260

VICTIMS FOR AGES 15 TO 24 WHITES FEMALES = 580 / 5260 = 0.1103

VICTIMS FOR AGES 15 TO 24 BLACK FEMALES = 40 / 5260 = 0.0076