193. Four letters to different insureds are prepared along with accompanying envelopes. The letters are put into the envelopes randomly.

Calculate the probability that at least one letter ends up in its accompanying envelope.
(A) 27/256
(B) 1/4
(C) 11/24
(D) 5/8
(E) 3/4

Exam P：Probability機率- 112 年 - SOCIETY OF ACTUARIES_EXAM P PROBABILITY_EXAM P SAMPLE QUESTIONS 151-200#119924

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