Answer :

Final answer:

The probability of all 3 quarters landing on the same side is 1/8 or 12.5%.


Explanation:

The probability of all 3 quarters landing on the same side can be calculated by looking at the possibilities for each quarter. Each quarter has 2 sides, so the total outcomes for 3 quarters is 2 2 2 = 8. There is only 1 favorable outcome where they all land on the same side, which is when they all show heads or all show tails.

Therefore, the probability is 1 favorable outcome out of 8 total outcomes, making it 1/8 or 12.5%.


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