Question 1118621
Gender----M -----F-----Total
Age <25---75----125----200
Age >24---75 ---225---300
----------150----350---500

under 25 OR a female is 200 under 25+350 female-both (125)=550-125=425,probability is 425/500=0.85
over 24 or a female is 300 over 25+350 female minus 225 both which is 425/500 with probability 0.85
Male over 24 is 75/500 with probability of 0.15.