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Introduction To Mathematical Modelling

Question

Wired Faculty App

Three coins one tossed simultaneously 600 times with the following frequencies of different outcomes:

Outcome

Frequency

3 heads

150

2 heads

200

1 head

100

no head

150

The probability of getting 3 heads is

$1 half$
$1 third$
$1 fourth$
$1 fifth$

Solution

C.

1 fourth

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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