Question
a. Drawing Cards: Three cards are drawn froma deck without replacement. Find these probabilities. - All are jacks - All are clubs - All are red cards b. Education of Wage Earners: In a certain geographiclocation, 25% of the wage earners have a college degree and 75% donot. Of those who have a college degree, 5% earn more than $100,000 a year. Of those who do not have a college degree, 2%earn more than $ 100,000 a year. If a wage earner is selectedat random, find the probability that she or he earns more than $100,000 a year. a. Drawing Cards: Three cards are drawn froma deck without replacement. Find these probabilities. - All are jacks - All are clubs - All are red cards b. Education of Wage Earners: In a certain geographiclocation, 25% of the wage earners have a college degree and 75% donot. Of those who have a college degree, 5% earn more than $100,000 a year. Of those who do not have a college degree, 2%earn more than $ 100,000 a year. If a wage earner is selectedat random, find the probability that she or he earns more than $100,000 a year.
Explanation / Answer
(4/52)*(3/52)*(2/50)=.000181 suit 13 card (13/52)*(12/51)*(11/50)=.012941 26 red cards (26/52)*(25/51)*(24/50)=2/17 b) (1/4*.05)+(3/4*.02)=.0135