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14-06-2020
Mathematics

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A two digit number less than 30 is written down at random. What is the probability that it Will be a prime number?

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melerluc melerluc

14-06-2020

Answer:

there are 20 2 digit numbers less than 30.

out of all of them 6 are prime

then there is only a 6/20 chance that it will be a prime number, or a 30% chance.

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