SOLUTION: If 4 numbers from 1 to 1000 are chosen at random, one at a time, find the probability that they will be chosen in decreasing order.

Question 1200560: If 4 numbers from 1 to 1000 are chosen at random, one at a time, find the
probability that they will be chosen in decreasing order.
Answer by ikleyn(52834) (Show Source): You can put this solution on YOUR website!
.


4 numbers can be ordered in 4! = 1*2*3*4 = 24 different ways.


The decreasing order is one of 24 possible orders;

so the probability to get the decreasing order is  .    ANSWER

Solved.

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