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Mathematics 7 Online
OpenStudy (anonymous):

1.) A card is drawn from a standard 52-card deck. What is the probability that the card is a club, or that the card is a red-suited jack, queen, king, or ace? A. 1/26 B. 3/26 C. 21/52 D. 21/26 2.) Find the probability of rolling two number cubes and getting a 2 on the first number cube and a 6 on the second? A. 1/36 B. 1/15 C. 1/30 D. 1/6

OpenStudy (austinl):

How many cards are in a suit?

OpenStudy (anonymous):

13

OpenStudy (austinl):

So, what is the probability that it is a club?

OpenStudy (anonymous):

um......1/13

OpenStudy (austinl):

Are the letters options? Multiple choice?

OpenStudy (anonymous):

no they are 1/26 .....3/26....21/52.......or 21/26

OpenStudy (kinggeorge):

For the first problem you have, you only need to do one thing. And that's just count the number of cards that are either clubs, or a red-suited jack, king, queen or ace. You already said that there were 13 cards in a suit, so that's 13 clubs. How many red-suited jacks, queens, kings and aces?

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