The table below gives the number of suicides estimated in the U.S. for a recent

Question

The table below 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 Race and Sex 1-14 15-24 25-64 over 64 TOTALS white, male 210 3,355 13,615 white, female 80 580 3,375 black, male black, female 0 all others TOTALS 22,050 4,930 1,670 330 10 455 1,055 45 270 310 4,65018,780 29,760 Part (a) Fill in the column for the suicides for individuals over age 64 and fill in the row for all other races Race and Sex 1-14 white, male 210 white, female 80 black, male 10 black, female all others TOTALS 25-64 13,615 3,375 1,055 270 over 64 15-24 3,355 580 455 45 TOTALS 22,050 4,930 1,670 330 310 4,650 18,780 29,760

Explanation / Answer

a)

b) Prob( white male ) =22050/29760 =0.7409

c) PRob(Blck female ) = 330/29760 = 0.0111

d) Prob (Black) = (1670+330)/29760 = 2000/29760 = 0.0672

e) P(Male) =(22050+1670)/29760 = 23720/29760 = 0.7970

f) Prob = (4870+150)/29760 =5020/29760 =0.1687

Race and Sex 1--14 15-24 25-64 Over 64 Totals white, male 210 3355 13615 4870 22050 white, female 80 580 3375 895 4930 black, male 10 455 1055 150 1670 black, female 0 45 270 15 330 all others 10 215 465 90 780 Totals 310 4650 18780 6020 29760

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