Multiple choice

Three letters, to each of which corresponds an addressed envelope are placed in the envelopes at random. The probability that all letters are placed in the right envelopes is ______.

  1. 1/3

  2. 1

  3. 1/6

  4. 0

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Total possibilities are 6 Only one way to put cards right. Probability is 1/6