finding the conditional probability 000
Post on 14-Apr-2017
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By: Steven LaCouture
You have two cards that are selected from a deck of cards in sequence.
Find the probability that the second card is a queen, given the first card
is the king??
The first step is to recognize that there are only 55 cards left in the deck
because you have already taken out the king. So there are 4 queens and now there’s only 51 cards left in the
deck.
4/51 = .078
The conditional probability of the queen popping up in the next card
is .078.
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