Two coins are tossed simultaneously 500 times,

and we get

Result

2 head

1 head

No head

Frequency

105

275

120

Find the probability of occurrence of

(i) two heads
(ii) all tails.

Solution

Solution not provided.
Ans. $left parenthesis straight i right parenthesis space 21 over 100 space space space space left parenthesis ii right parenthesis space 6 over 25$

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

Two coins are tossed simultaneously 500 times,

and we get

Result

2 head

1 head

No head

Frequency

105

275

120

Find the probability of occurrence of

(i) two heads
(ii) all tails.

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

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For Daily Free Study Material Join wiredfaculty

Introduction To Mathematical Modelling

Two coins are tossed simultaneously 500 times, and we get Result 2 head 1 head No head Frequency 105 275 120 Find the probability of occurrence of (i) two heads(ii) all tails.

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

Two coins are tossed simultaneously 500 times,

and we get

Result

2 head

1 head

No head

Frequency

105

275

120

Find the probability of occurrence of

(i) two heads
(ii) all tails.