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Introduction to Mathematical Modelling
Question
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In a survey, out of all students, 15% said ‘no’, 57% said ‘yes’ and the remaining said ‘They could not decide’. If a student is chosen at random, what is the chance that the student did not say ‘yes’?
  • 15%
  • 43%
  • 57%
  • 100%

Answer

B.

43%

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Some More Questions From Introduction to Mathematical Modelling Chapter

Activity: Ask all the students in your class to write a 3-digit number. Choose any student from the room at random. What is the probability that the number written by her/him is divisible by 3 ? Remember that a number is divisible by 3, if the sum of its digits is divisible by 3.