A card from a pack of 52 cards is lost. From the remaining cards of the pack; two cards are drawn and are found to be hearts. Find the probability of the missing card to be a heart.

Explanation

`E_{1}=` missing card is a heart


`E_{2}=` missing card is a spade


`E_{3}` = the missing card is a club


`E_{4}=` the missing card is a diamond


`A=` choosing three spade cards from the remaining cards



`P(E_{1})=frac{13}{52}=frac{1}{4} `


`P(E_{2})=frac{13}{52}=frac{1}{4} `


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