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Probability questions with cards and unbiased dice

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Suppose that you select two cards without replacement from an ordinary deck of playing cards. If the first card that you select is a spade, what is the probability that the second card that you select is a queen?

Suppose that you roll a pair of standard 6-sided dice 13 times. What is the probability that you will get a sum of 5 at least once?

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Solution Summary

Probability of a sum from a pair of dice is examined. The probability distribution for a pair of cards drawn without replacement is determined.

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Suppose that you select two cards without replacement from an ordinary deck of playing cards. If the first card that you select is a spade, what is the probability that the second card that you select is a queen?

The probability that second is queen given that first card is spade =

Probability(first card is ...

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