Question

Two cards are drawn from a standard deck of cards, and one of the two cards is noted and removed. Find the probability of the second card, given the information about the removed card provided. (Enter the probability as a fraction.)
P(spade|spade)

Answer 1

P( spade | spade) = P ( pick a spade | spade removed)

Answer 2

given that you removed a spade from the deck, what is the new sample space ?

Answer 3

12

Answer 4

right, there are 12 possible spades, and how many possible cards to choose from (given that you removed a spade)

Answer 5

Out of all the cards? 51?

Answer 6

correct

Answer 7

so looks like you have the two parts you need
now make a fraction

Answer 8

so is it 12/51?

Answer 9

Thank you! Do you mind helping me with another? A single card is drawn from a standard deck of cards. Find the probability if the given information is known about the chosen card. (Enter the probability as a fraction.)
P(jack|red)

Answer 10

it says given that its a red card, that reduces the sample space to 26 cards , since there are 26 red cards

Answer 11

how many red jacks are there?

Answer 12

2

Answer 13

right