SOLUTION: find the probability that if 5 different-sized washers are arranged in order of size, round to six decimal places.

Question 848565: find the probability that if 5 different-sized washers are arranged in order of size, round to six decimal places.
Answer by swincher4391(1107) (Show Source): You can put this solution on YOUR website!
Find the probability that if 5 different- sized washers are arranged in a row, they will be arranged in order of size.
There are 5! = 120 ways to arrange 5 washers in a row and 2 ways to have them in correct order, small to large or large to small. Hence, the probability is:

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