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26-11-2021
Mathematics

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A school has 320 girls and 250 boys
The probability that a girl is left handed is 0.2
The probability that a boy is left handed is 0.1
Estimate the umber of left handed students in the school.

Respuesta :

26-11-2021

320/100 • 20 = 64
250/100 • 10 = 25
64+25= 89 <33

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