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Introduction to Mathematical Modelling
Question
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A coin is tossed 500 times with the following observations: Head: 245 times, Tail: 255 times The coin is tossed again. The probability of getting a Head is

  • 0.502 
  • 0.50
  • 0.51  
  • 0.49

Answer

D.

0.49

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Some More Questions From Introduction to Mathematical Modelling Chapter

Activity: Note the frequency of two wheelers, three wheelers and four wheelers going past during a time interval, in front of your school gate. Find the probability that any one vehicle out of the total vehicles you have observed is a two-wheeler.

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.