Let Q = card is queen, S = card is spade. P(Q)=4/52, P(S∩Q)=1/52 (queen of spades). P(S∣Q)=P(Q)P(S∩Q)=4/521/52=41.
A card is picked at random from a pack of 52 playing cards. If the picked card is a queen, then probability of card to be of spade type also, is
Held on 10 Aug 2022 · Verified 13 Jul 2026.
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