SOLUTION: a standard deck of playing cards has 52 cards. the deck has the same number of black and red cards and has 4 jacks, two red and black. what is the probability of randomly picking a

Algebra ->  Probability-and-statistics -> SOLUTION: a standard deck of playing cards has 52 cards. the deck has the same number of black and red cards and has 4 jacks, two red and black. what is the probability of randomly picking a      Log On


   



Question 1045222: a standard deck of playing cards has 52 cards. the deck has the same number of black and red cards and has 4 jacks, two red and black. what is the probability of randomly picking a jack or a red card from a standard deck?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Probability of picking a jack is 1/13 or 4/52
probability of picking a red card is 1/2 or 26/52
probability of picking a red jack (double counting) is 2/52 (Jack of diamonds and jack of hearts)
The total probability of jack or red is 28/52, 4+26-2. That is 7/13.