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4 May, 13:47

The probability of having a winning raffle ticket is 20%. If you bought 50 tickets, how many winning tickets should you expect to have A. 3 tickets B. 8 tickets C. 10 tickets D. 20 tickets

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  1. 4 May, 14:14
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    20% can be represented as 1/5.

    Therefore you're expected to win 1 ticket out of every 5 you purchase. So if you purchase 50 you can expect to win 10 tickets. Therefore the answer is C.
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