chapabig220 chapabig220

03-06-2017
Mathematics

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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?

Respuesta :

08-06-2017

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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