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Introduction To Mathematical Modelling

Question

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Two coins are tossed simultaneously 500 times, and we get

Two heads: 105 times
One head: 275 times
No head: 120 times
Find the probability of occurrence of each of these events.

Solution

Solution not provided.
Ans. 0.21, 0.55, 0.24

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.

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