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What is the probability that a card drawn randomly from a standard deck of 52 cards is a red four? Express your answer as a fraction in lowest terms or a decimal rounded to the nearest millionth.

User Adriene
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1 Answer

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We have a deck of 52 cards.

We have to calculate the probability that when a card is randomly drawn from the deck, this cart is a red four.

There is only one red four in the deck. Then, if we calculate the probability of an event as the quotient between the number success events (getting a red four, in this case) and the total possible events (getting any card), we will get:


p=(S)/(N)=(1)/(52)

As there is only one card in the deck that gives a success event within the 52 cards, the probability is 1 in 52.

Answer: the probability is 1/52.

User Capcom
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