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# A radio station runs a promotion at an auto show with a money box with 15 $25 tickets,15 $5 tickets, and 15 $1 tickets. The box contains an...

A radio station runs a promotion at an auto show with a money box with 15 $25 tickets,15 $5 tickets, and 15 $1 tickets. The box contains an additional 20"dummy" tickets with no value. Three tickets are randomly drawn. Find the probability that all three tickets have no value. (round to four decimal places as needed)