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Two coins are tossed. Find the probabili...

Two coins are tossed. Find the probability of the event
at the most one tail turns up.

Text Solution

Verified by Experts

The correct Answer is:
`3/4`
Let S be the sample space
Then `S={HH, HT, TH, T T}.`
Let C be the event that at the most one tail turns up. Then `C={HH, HT, TH}`
`therefore n(C )=3`
`P(C)=(n(C))/(n(S))" "thereforeP(C )=3/4.`
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