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8 September, 19:39

A modern piano has 52 white keys and 36 black keys.

If a note is played at random, what is the probability of pressing a white key?

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  1. 8 September, 19:41
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    The probability of pressing a white key is 13/22. This solution can be obtained by dividing 52 by 88 which is the total number of keys on the modern piano.
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