Question

four cards are drawn at random from a pack of 52 cards. find the probability that. 1.they are a king,a queen, a jack and an ace

Answer 1

Probability of getting..........
king = 4/52
=1/13
Queen = 4/52
= 1/13
Jack = 4/52
= 1/13
ace = 4/52
= 1/13
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Answer 2

Let E1 be the event of getting king =4
P(E1)= no. of favourable outcomes upon total outcomes
P(E1) =4 upon 52
= 1 upon 13
Let E2 be the event of getting queen =4
P(E2)= 4 upon 52
=1 upon 13
Let E3 be the event of getting jack= 4
P(E3) =4 upon 52
= 1 upon 13
Let E4 be the event of getting ace= 4
P(E4)= 4 upon 52
= 1 upon 13