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In a lottery, there are 10 prizes and 25...

In a lottery, there are 10 prizes and 25 are empty. Find the probability of getting a prize. Also verify `P(E)+P(barE)=1` for this event.

Text Solution

Verified by Experts

The correct Answer is:
Total tickets = 35
P(E) = P(getting a prize) `=(10)/(35)=(2)/(7)`
`P(E)+P(barE)=(2)/(7)+(5)/(7)=(7)/(7)=1`
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