A girl calculates that the probability of her winning the first prize in a lottery is 0.08. If 6000 tickets are sold, how many tickets has she bought?

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240

480

750

answer is C.

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Detailed Solution

As it is given that a girl calculates that the probability of her winning the first prize in a lottery is 0.08 . If 6000 tickets are sold, we have to find the number of tickets has she bought.
For an event E, probability is given by,

P E = Number of favourable outcomes n(E) Total number of outcomes n(S)

So, n(S) = 6000
Suppose, the number of tickets she bought is y.
So, the probability of winning the prize is,

⇒ 0.08 = y 6000 ⇒ y = 480

Therefore, correct answer is 480.
Hence, option 3 is correct.

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