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Three lottery tickets for first, second, and third prizes are drawn from a group of 40...

Three lottery tickets for first, second, and third prizes are drawn from a group of 40 tickets. Find the number of sample points in S for awarding 3 prizes if each contestant hold only 1 ticket.

math   Statistics-And-Probability   
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Answer #1

Utaions p-m)! Rcausc oder is mpoyfand Prmutathc nccd to usc stinc ccts 3 311 40x39x38 (40-3)!,

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