Question

What is the probability that the three cards drawn from a

pack of 52 cards are all black ?​

Answer 1

Step-by-step explanation:

There are 26 red(13 hearts +13 diamonds) cards in a pack of 52 cards . Now, 3 cards out of total 52 cards can be selected in C(52, 3) = 52!/3! 49! =22100 no. of ways and 3 red cards out of 26 red cards can be selected in C(26, 3)= 26!/3! 23! =2600 no. of ways. Hence the required probability = 2600/22100 = 26/221 = 2/17.

Answer 2

Answer:

There are 26 red(13 hearts +13 diamonds) cards in a pack of 52 cards . Now, 3 cards out of total 52 cards can be selected in C(52, 3) = 52!/3! 49! =22100 no. of ways and 3 red cards out of 26 red cards can be selected in C(26, 3)= 26!/3! 23! =2600 no. of ways. Hence the required probability = 2600/22100 = 26/221 = 2/17.

Step-by-step explanation:

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