Two coins are tossed simultaneously 1000 times with the following frequencies of different outcomes.

Outcome

Frequency

2 heads

350

1 head

310

No head

340

If these two coins are tossed again, find the probability of getting

(i) at least 1 head
(ii) at most 1 head

Solution

Solution not provided.
Ans. $left parenthesis straight i right parenthesis space 67 over 100 space space space left parenthesis ii right parenthesis space 13 over 20$

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 1000 times with the following frequencies of different outcomes.

Outcome

Frequency

2 heads

350

1 head

310

No head

340

If these two coins are tossed again, find the probability of getting

(i) at least 1 head
(ii) at most 1 head

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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For Daily Free Study Material Join wiredfaculty

Introduction To Mathematical Modelling

Two coins are tossed simultaneously 1000 times with the following frequencies of different outcomes. Outcome Frequency 2 heads 350 1 head 310 No head 340 If these two coins are tossed again, find the probability of getting (i) at least 1 head(ii) at most 1 head

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 1000 times with the following frequencies of different outcomes.

Outcome

Frequency

2 heads

350

1 head

310

No head

340

If these two coins are tossed again, find the probability of getting

(i) at least 1 head
(ii) at most 1 head