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MathematicsMathematics
14 August, 22:53

A teacher asks each student to randomly choose a number from 1 to 90 and write it down. Keiko and Mitsugu Write down the number. What is the probability that both of their choices will be greater than 75? Express your answer as a decimal. If necessary round your answer to the nearest thousandth.

A. 0.028

B. 0.167

C. 0.972

D. 0.026

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Answers (1)
  1. 15 August, 00:23
    0
    90-75=15

    15/90=Kieko's chance of getting higher than 75

    15/90=Mitsugu's chance of getting higher than 75

    15/90X15/90=.0277777777

    =2.78% chance
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Home » Mathematics » A teacher asks each student to randomly choose a number from 1 to 90 and write it down. Keiko and Mitsugu Write down the number. What is the probability that both of their choices will be greater than 75? Express your answer as a decimal.
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