A secretary has written a letter. Each letter has an envelope prepared with the address and franking. The letters are placed at random in separate envelopes. What is the probability that at least one of the letters ends up in the correct envelope?
A secretary has written a letter. Each letter has an envelope prepared with the address and franking. The letters are placed at random in separate envelopes. What is the probability that at least one of the letters ends up in the correct envelope?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 7ECP: You draw one card at random from a standard deck of 52 playing cards. What is the probability that...
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A secretary has written a letter. Each letter has an envelope prepared with the address and franking. The letters are placed at random in separate envelopes.
What is the probability that at least one of the letters ends up in the correct envelope?
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