pastelbxtch6942 pastelbxtch6942

16-05-2017
Mathematics

contestada

[Fifteen Points]

A quality-control center finds that 2 out of 250 randomly selected toy trains are defective. How many trains would they expect to be defective in a batch of 10,000?

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sparlerthewriter sparlerthewriter

16-05-2017

10,000/250=40
40x2=80
The answer is 80 defective trains

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thumperflower2005 thumperflower2005

18-05-2020

The answer is 80

I took the test.

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