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Llana [10]
3 years ago
14

A single card is drawn from a 52 standard deck. Find the conditional probability that the card is a heart given that it's a jack

.?
Mathematics
1 answer:
MakcuM [25]3 years ago
7 0
You can use the formula for conditional probability as Puzzling did. However in this problem it is easier just to restrict yourself and enumerate the cases that are left. 

<span>There are 4 jacks. One of them is a heart. So the probability is 1/4. </span>

<span>If you want to look at what the formula for conditional probability does, it adjusts your probability by restricting the "universe". </span>

<span>P(heart and jack)/P(jack) </span>
<span>= (1/52)/(4/52) = 1/4</span>
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