1.

Q: There are 10 Letters and 10 correspondingly 10 different Address. If the letter are put into envelope randomly, then find the Probability that Exactly 9 letters will at the Correct Address ?

A. 2021-10-01 00:00:00
B. 2021-09-01 00:00:00
C. 1
D. 0
Answer» E.


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