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A coin is tossed three times {:(" E ...

A coin is tossed three times
`{:(" E "": " "head on third toss"," F "": " "head on first two tosses"):}`. Find `P(E//F)`

Text Solution

Verified by Experts

The correct Answer is:
`:. ` From the formula , `P(E//F) = (P(Ecap F))/(P(E)) = ((1)/(8))/((1)/(4)) = (1)/(8) xx (4)/(1) = (1)/(2)` .
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Knowledge Check

  • A coin is tossed 8 times . The probability of getting a head three times is :

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    B
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    B
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    D
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