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in Mathematics by (52.5k points)

In a certain lottery 10,000 tickets are sold and ten equal prizes are awarded. What is the probability of not getting a prize if you buy (a) one ticket (b) two tickets (c) 10

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(a) One ticket out of 10,000 tickets can be selected in 10000C1 ways. 

One ticket with prize can be selected in out of 10 in 10C1 ways.

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