Question

Sarah picks 2 cards from a thoroughly shuffled deck of cards and examines them 1. Which probability formula is needed for this? 2. What is the probability that the first card she picked is a King of Hearts, and the second card she picked is another King? Na of + ON M se . 3 $ NO

Answer 1

Q. (1. where the ist event A is Card and B is the event 2 P(ANB)- P(A).PCB of choosing of choosing and card. These events occur independently. A is the evento of picking King of Hearts - P(A) = number of favorable outomes total possible outcomes P(A) 1 2 total cards 52 deck is 52. B is the picking another king but she picks from a total of 51 cards. P(B) = number of favorable outcomes total possible outcomes P(B) 51 en a event of now .. 3 S . P(ANB) = P(A). P(B) (6%) P(ANB) sus populares y jue こ 884

of П3 Total number of jacks, ni = 4 Q.2. Total number Queens, 12 = 4 Total number of Kinga :4 Total diamond suited Card, Since jack, king queen are already counted diamond suited card without King, queen and jack is , Total favorable outcomes = ni+na+n3t ng 4+4+4 +10 & ny = 13 of diamond a ng = 10 22 it Total possible outcomes 52 let event be picking either a jack, queen, king On a diamond suited card. ple) Number of favorable of favorable outcomes Total possible possible outcomes P(E) 22 52 ... s PLE)= ll 26