Q. 64 Let X and Y denote the sets containing 2 and 20 distinct objects respectively and F denote the set of all possible functions defined from X and Y. Let f be randomly chosen from F. The probability of f being one-to-one is _________
(A) 0.95
(B) 0.80
(C) 0.75
(D) 0.70
Answer: (A)
Explanation:
