Gangatharan g Asked a Question
July 28, 2021 8:02 ampts 30 pts
A mapping is selected at random from the set of all the mappings of the set A = {1, 2,., n} into itself. The probability that the mapping selected is an injection is (A) (B) n! (n-1)! (C) n n! (D) n-T
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  • Alka gupta thankyou
    ans C...
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