SOLUTION: A random sample of size 2 is taken from the digits 3, 8, 10, 11 The range of each sample is calculated. What is the probability that the range is 1?

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Question 607983: A random sample of size 2 is taken from the digits
3, 8, 10, 11
The range of each sample is calculated. What is the probability that the range is 1?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
Range is 1 if and only if 10 and 11 are chosen.

The probability this occurs is 1/(4C2) = 1/6.