Take the 2-minute tour ×
Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. It's 100% free, no registration required.

A person selects 2 cards without replacement from a standard deck of cards. What is the probability that he select a heart, given that he has selected a face card?

So my solution is P(getting a heart|getting a face card) = 13/52

is that correct?

share|improve this question
    
Your answer is correct. One needs some justification. Also there is some ambiguity in the question. Was selection in order, meaning probability second is a heart given first was face card? Or are we asking for the probability of at least one heart given we have at least one face card? –  André Nicolas Sep 26 '13 at 17:10
add comment

1 Answer 1

Hint: The events of a card being a face card and a card being a heart are independent. So does it really matter that the first chosen card is a face card?

share|improve this answer
add comment

Your Answer

 
discard

By posting your answer, you agree to the privacy policy and terms of service.

Not the answer you're looking for? Browse other questions tagged or ask your own question.