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Introduction to Mathematical Modelling
Question
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In a cricket match, a batsman hits a boundary 8 times out of the balls he plays. Find the balls played if the probability of not hitting a boundary is 80%:

  • 10 
  • 16
  • 40 
  • 64

Answer

C.

40 

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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.