There are three addressed envelopes and three letters. Find the probability that the typist inserts exactly one letter in the envelope incorrectly.

1/6

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None of these

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Solution

The correct option is D
None of these

D

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There are three addressed envelopes and three letters. Find the probability that the typist inserts exactly one letter in the envelope incorrectly.

The correct option is D None of these D

The correct option is D
None of these

D