King or Queen

[nycmathguy]

A card is chosen at random from a pack of 52 playing cards. What is the probability of a King or a Queen?

Let K = king

Let Q = Queen

P(K or Q) = P(K) + P(Q)

P(K or Q) = 4/52 + 4/52

P(K or Q) = 1/13 + 1/13

P(K or Q) = 2/13

 

[MathLover1]

correct

 

[nycmathguy]

correct

I like probability.