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Mathematics, 25.11.2021 14:00 reich9357

Primary school has 140 girls and 90 boys. The probability that a girl wears glasses is 0.4
The probability that a boy wears glasses is 0.3
Estimate the number of pupils wearing glasses in the school.

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Primary school has 140 girls and 90 boys. The probability that a girl wears glasses is 0.4
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