Q. 5 A postman has to deliver five letters to five different houses in a street. Unfortunately, the rain has erased the addresses, so he just distributes them randomly, one letter per house. What is...


Q. 5 A postman has to deliver five letters to five different houses in<br>a street. Unfortunately, the rain has erased the addresses, so he just<br>distributes them randomly, one letter per house. What is the<br>probability that every house gets the right letter? What is the<br>probability that every house gets a wrong letter?<br>

Extracted text: Q. 5 A postman has to deliver five letters to five different houses in a street. Unfortunately, the rain has erased the addresses, so he just distributes them randomly, one letter per house. What is the probability that every house gets the right letter? What is the probability that every house gets a wrong letter?

Jun 11, 2022
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