Question

After the typist writes 12 letters and addresses 12 envelopes, she inserts the letters randomly into the envelopes (1 letter per envelope). what is the probability that exactly 1 letter is inserted in an improper envelope……………

Answer 1

Hello,

Thankyou for asking the question. The answer is as follows.

The probability of inserting a letter into the wrong envelop is zero because if one envelop is inserted in the wrong envelop, than the rest of the envelops will automatically be inserted in the wrong envelops.

Hence the answer is zero

Answer 2

Answer:

the answer is 0.

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