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Q: You randomly select one card from a 52 card deck find the probability of selecting a nine or a two?

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The probability is 0. One card cannot be a club and a spade!

pr(success) = number_of_ways_of_success/total_number_of_ways. As the two selections are independent, multiply the probability that the first card is a heart by the probability the second card is a heart. There are 13 hearts and 52 cards in a deck → pr(1st card heart) = 13/52 = 1/4 After 1 card has been selected, there are 51 cards left and if the first was a heart, there are only 12 hearts left → pr(2nd card heart also) = 12/51 = 4/17 → pr(1st two heart) = pr(1st card heart) × pr(2nd card heart) = 1/4 × 4/17 = 1/17

There are 52 cards in a deck and 12 face cards (J,Q,and K) so probability is 12/52 = 3/13

If the card is drawn at random, then the probability is 2/13.

By use of observations and some patterns, you can figure out the probability, or likelihood, of getting a certain card, so when you're pretty sure, you can bet lots of money.

Related questions

1/26

You randomly select one card from a 52-card deck. Find the probability of selecting the king of diamonds or the jack of

The probability is 0.4231, approx.

Select 2 cards, do not put the 1st back in the deck. This is dependent probability. The outcome of drawing the 2nd card depends on the 1st card drawn. Select a card, look at it and put it back in the deck. Select a 2nd card. These are independent of each other. One does not change the probability for selecting the 2nd.

The probability of selecting a red card is 26 in 52 or 1 in 2. The probability of selecting an even card is 20 in 52 or 5 in 13. The probability, therefore, of selecting a red even card is 1 in 2 times 5 in 13 or 5 in 26.

If you select 45 cards without replacement from a regular deck of playing cards, the probability is 1. For a single randomly selected card, the probability is 2/13.

There are 13 hearts in the standard deck, A-10,J,Q,K. So your probability is 13/52 which is 1/4 or 25% chance

If you randomly pick a card from a standard deck of cards, that probability will be 1/4, since 1/4 of the cards are heart.

In an ordinary deck of 52 cards, the probability that a single, randomly drawn card is a six, is 1/13.

The probability is 6/52 = 3/26.

From a 52 card deck, probability is 1/52.

1 in 52.

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