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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Nikesh Kedlaya asked May 28, 2023

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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.

Mathematics
middle-school

Nikesh Kedlaya asked May 28, 2023

by Nikesh Kedlaya

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Answer:

1/7

Explanation:

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

Archana answered Jun 4, 2023

by Archana

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