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19-04-2017
Mathematics

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The probability that Rajesh will score more than 90 marks in class test is 0.75. What is the probability that Rajesh will secure more than 90 marks in three out of four class tests?

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Czarina Czarina

19-04-2017

I think you have to add 0.75 + 90 and the answer would be 1.65

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