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What is the easiest way to find the probability in this question

I'm so confused i don't know how to solve it.
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Original post by Syndy
I'm so confused i don't know how to solve it.


Can you answer a simpler question?

What is the chance of picking three E's?
Original post by Syndy
I'm so confused i don't know how to solve it.


How many selections will consist of 3 different letters?
How many will consist of 3 identical letters?
How many selections of 3 letters are possible?

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