A student answered 40 out of 50 trivia questions correctly. If tomorrow he answers 250 questions in total, what is a good prediction of the percent he will answer correctly?

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asked Apr 15, 2018 57.2k views

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Erkan Demirel · Answer 1 · 2018-04-21T15:07:28+0000

40/50 = 0.8 = 80%

so if he answers 250 questions.....a good prediction that he would answer correctly is 80% of 250....which is 0.80(250) = 200 questions correct

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A student answered 40 out of 50 trivia questions correctly. If tomorrow he answers 250 questions in total, what is a good prediction of the percent he will answer correctly?

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