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Mathematics, 26.02.2021 15:30 ecob35

The probability that a pupil in class has a calculator is 0.87 what is the probability that a pupil does not have a calculator?

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341

step-by-step explanation:

all you have to do is 9x31 (which equals 279) and then 20x31 (which equals 620). then you have to subtract. 620-279=341.

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