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A radio station runs a promotion at an auto show with a money box with 14...

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Basic Math

A radio station runs a promotion at an auto show with a moneybox with 14 ​$50 ​tickets, 10 ​$25 ​tickets, and 15 ​$5 tickets.The box contains an additional 20 ​\"dummy\" tickets with no value.Three tickets are randomly drawn. Find the probability that allthree tickets have no value. The probability that all three ticketsdrawn have no money value is nothing. ​(Round to four decimalplaces as​ needed.)

Answer & Explanation Solved by verified expert
4.3 Ratings (729 Votes)

Total tickets = 14 + 10 + 15 + 20 = 59

P(all 3 tickets have no value) = 20C3 / 59C3 = 1140 / 32509 = 0.0351 (ans)

                                                                                                                                                                                                   
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