Posted by admin | Posted in Thermo Hygrometers | Posted on 27-07-2010
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probability question?
Al’s Appliances employs ten salespersons. To motivate sales, the store is going to award prizes to the top three salespersons of the month. First prize is a stereo system, second prize is a personal MP3 player, and third prize is an alarm clock radio. In how many ways can these prizes be awarded?
Any help would be great! thanks!
There are 720 ways.
There are 10 salespeople who can be first, the remaining 9 can be second, and the last 8 can be third.
10x9x8 = 720 = 10P3.
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