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A card from a pack of 52 playing cards is lost. From the remaining cards of the pack three cards

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A card from a pack of 52 playing cards is lost. From the remaining cards of the pack three cards are drawn at random (without replacement) and are found to be all spades. Find the probability of the lost card being a spade.

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1 Answer

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Best answer

Let us define the following events:

E1 = lost card is a spade card

E2 = lost card is not a spade card

A = drawn cards are spade cards

Then,

playing cards

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