1.

A train consists of n carriages and there are P passengers. Each one of the P passengers randomly selects the carriage in which he will ride. On the basis of above information, answer nC11p−nC22p+nC33p....+(−1)n−1 nCnnp is equal to,

Answer»

A train consists of n carriages and there are P passengers. Each one of the P passengers randomly selects the carriage in which he will ride. On the basis of above information, answer

nC11pnC22p+nC33p....+(1)n1 nCnnp is equal to,




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