math

A number is chosen from the first 24 positive integers. Find the probability that:
a) the number is divisible by 3 given that it is divisible by 4
b) the number is divisible by 6 given that it is divisible by 3

Just need help with either one, thank you for your time.

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  1. Numbers 1 - 24 that are divisible by 4: 4, 8, 12, 16, 20, 24

    Which of those are also divisible by 3?

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    2. 👎
  2. 12, 24

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    2. 👎
  3. For future students who google this:
    A) 2/6 or 1/3
    B) 1/2

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    2. 👎

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