Q. 143.7( 38 Votes )

Given that the two numbers appearing on throwing two dice are different. Find the probability of the event ‘the sum of numbers on the dice is 4’.

Answer :

The sample space of the given experiment is:


Let E be the event that ‘the sum of numbers on the dice is 4’ and F be the event that ‘the two numbers appearing on throwing the two dice are different’.


E = {(1, 3), (2, 2), (3, 1)}


And


E F = {(1, 3), (3, 1)}


……….(i)


Now, we know that


By definition of conditional probability,





Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Probability of occurrence of an event | Quiz TimeProbability of occurrence of an event | Quiz TimeProbability of occurrence of an event | Quiz Time45 mins
Probability of occurrence of an eventProbability of occurrence of an eventProbability of occurrence of an event45 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
caricature
view all courses
RELATED QUESTIONS :