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A coin is tossed three times. Find the p...

A coin is tossed three times. Find the probability of getting all heads.

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The correct Answer is:
A coin is tossed three times. `S={HHH,HT T, HTH,THH,T TH, THT,HHT,T T T}`
`|S|=8`
Let A be the event of getting all heads
`thereforeA={HHH}impliesO.(A)=1`
`therefore P(A)=|A|/|S|=1/8`
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