26-01-2022
Mathematics

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Two different numbers are randomly selected from the set {1, 2, 3, 4, 5, 6, 7}. What is the probability that their sum is at least 7? Express your answer as a common fraction.

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26-01-2022

Answer:

1/7

Step-by-step explanation:

There is 7 numbers and there is 1 of each so the probability would be out of one

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