Re-Submitting Probability Question2

Algebra
Tutor: None Selected Time limit: 1 Day

A single card is drawn from a standard deck of cards. Find the probability if the given information is known about the chosen card. A face card is a jack, queen, or king.

P(face card|queen)
Dec 2nd, 2014

You can put this solution on YOUR website!
P(face card|queen) means "the probability that you draw a face card given you have drawn a queen" 

That part "given you have drawn a queen" means it is 100% known that you pulled out a queen. This is "given" to you. It's assumed to be true. 

Since all queens are face cards, this means drawing a queen tells us we also drew a face card. 



So if we're guaranteed a queen, then we are guaranteed a face card. 

Making P(face card|queen) = 1 

A probability of 1 represents 100% which is absolution certainty.

Dec 2nd, 2014

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Dec 2nd, 2014
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