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At the beginning of every period of British Literature, Mrs. Crabapple picks a random student to receive a crabapple as a gift, but really, as you might imagine, they are quite bitter and nasty. Given that there are 11 students in her class and her class meets four times a week, how many different sequences of crabapple recipients are possible in a week?

 Apr 20, 2018
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This is a permutation

 

Out of 11 students....we want all the possible orders  in choosing  any 4 of them....this is given by :

 

P(11,4)   =  7920  different sequences in a week

 

 

cool cool cool

 Apr 20, 2018

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