+91-8076753736 [email protected]

-->

Introduction To Mathematical Modelling

Question

Wired Faculty App

The distribution of weights (in kg) of 100 people is given below:

Weight (in kg)

Frequency

40-45

13

45-50

25

50–55

28

55-60

15

60-65

12

65-70

5

70-75

2

Find the probability that the weight of a people selected at random is in the class 45-50.

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

Solution

C.

1 fourth

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.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation