AMC / AIME · Probability · Easy

Probability: A number is chosen from math through math. What is math?

Counting outcomes.

Try the problem

A number is chosen from 11 through 1010. What is P(multiple of 3)P(\text{multiple of }3)?

Hint and answer

Concept to use

Equally likely.

Hint

Count favorable outcomes over all equally likely outcomes.

Answer

3/10

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