In a survey of 500 families, number of vehicles owned per family were found to be as follows:

Number of vehicles named

Number of families

0

35

1

213

2

170

3

65

4

17

Find the probability that a family selected at random has

(i) no vehicles
(ii) 2 or 3 vehicles
(iii) more than 1 vehicle.

Solution

Solution not provided.
Ans. $left parenthesis straight i right parenthesis space 7 over 100 space space left parenthesis ii right parenthesis space 47 over 100 space space left parenthesis iii right parenthesis space 63 over 125$

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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Introduction To Mathematical Modelling

In a survey of 500 families, number of vehicles owned per family were found to be as follows:

Number of vehicles named

Number of families

0

35

1

213

2

170

3

65

4

17

Find the probability that a family selected at random has

(i) no vehicles
(ii) 2 or 3 vehicles
(iii) more than 1 vehicle.

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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NCERT Sample Papers

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For Daily Free Study Material Join wiredfaculty

Introduction To Mathematical Modelling

In a survey of 500 families, number of vehicles owned per family were found to be as follows: Number of vehicles named Number of families 0 35 1 213 2 170 3 65 4 17 Find the probability that a family selected at random has (i) no vehicles(ii) 2 or 3 vehicles(iii) more than 1 vehicle.

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.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation