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2 years ago

The first digit of a 2-digit number is randomly selected from the set {1, 2}. The second digit is

Mathematics

1 answer:

oee [108]2 years ago

7 0

The probability that the 2-digit number is prime is 3/8

<h3>How to determine the probability?</h3>

The sets are given as:

First digit = {1, 2}.

Second digit = {1, 2, 3, 4}

When the 2-digit is formed, we have:

Numbers = {11, 12, 13, 14, 21, 22, 23, 24}

In the above set, there are 3 prime numbers out of the 8 numbers.

Hence, the probability that the 2-digit number is prime is 3/8

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<h3>What is a graph?</h3>

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