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22-01-2017
Mathematics

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A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 1 and 2. What is the probability that the third digit is 3? is it 1/7 or 1/6?

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1217aaronredis1 1217aaronredis1

22-01-2017

P = 1/(total number of digits available -2). The answer would be 1/7.

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