Hong, the mailperson, delivers 5 letters to five houses. what is the probability she delivers all five letters correctly?

Guest Mar 17, 2021

#1**0 **

First house has a chance of 1/5. (1 mail is correct, you have 5 mails.)

Second house has a chance of 1/4. (1 mail is correct, you have 4 mails, only 4 since you have you already delivered the first house.)

Third house has a chance of 1/3.

Fourth house has a chance of 1/2.

Fifth house has a chance of 1/1.

What's 1/5*1/4*1/3*1/2*1/1?

=^._.^=

catmg Mar 17, 2021