You are choosing pairs from 5 cards
= C(5,2) = 10
the pair of DE is one of those, so
prob(DE) = 1/10
A set of 5 cards, each labeled with the letters A, B, C, D and E, is placed in a hat and two selected at random without replacement. Find the probability of getting D and E.
Answer: 1/10
Thanks for any help
1 answer