Question

A card is chosen from a standard deck of cards. which is 52.
What is the probability that the card is a club, given it's black? A) 1/13 B) 1/4 C) 1/2 D) 4/13
There 13 clubs and 26 black so i got it down to either A or D but i need help trying figure out the top half.

Answer 1

how would you define the given probability in general?

Answer 2

you're choosing from 13 so the bottom half have to be 15 in less you can simple it from the top number which i don't know what top number is.

Answer 3

you are choosing from black cards .. how many are black?

Answer 4

26

Answer 5

so, given 26 black cards .. how many of them are clubs??

Answer 6

13

Answer 7

so our probability is defined as:

number favored
-------------
number total

13 favored out of 26 total

Answer 8

so you have to simple it to get the answer?

Answer 9

sure, why not

Answer 10

what is 13/26 ?

Answer 11

1/2

Answer 12

then lets not dismiss the correct answer for A or D shall we :)

Answer 13

no we shall not

Answer 14

thank you for helping me!

Answer 15

youre welcome, and good luck