Q. 83.7( 3 Votes )
A bag contains three green marbles, four blue marbles, and two orange marbles. If a marble is picked at random, then the probability that it is not an orange marble is
A. 
B. 
C. 
D. 
Answer :
Total numbers of elementary events are: 3+ 4 + 2= 9
Let E be the event of getting not an orange marble
Numbers of Favorable outcomes are: 3 + 4 = 7
P (not an orange marble) = P (E) = 7/9
Rate this question :
How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
PREVIOUSThe probability of guessing the correct answer to a certain test questions is x/12 . If the probability of not guessing the correct answer to this question is 2/3, then x =NEXTA number is selected at random from the numbers 3, 5, 5, 7, 7, 7, 9, 9, 9, 9 The probability that the selected number is their average is
Related Videos
Smart Revision | Quiz on Probability37 mins
NCERT | How Probability Can Help You Score Marks?44 mins
Introduction to Probability53 mins
NCERT | Quiz on Probability47 mins
Quiz | Imp. Qs. of Probability37 mins
Solve RD Sharma Problems 2x Faster30 mins
Let's understand Probability40 mins
When Chance is called Probability48 mins
Smart Revision | Quiz on Probability37 minsNCERT | How Probability Can Help You Score Marks?44 minsIntroduction to Probability53 minsNCERT | Quiz on Probability47 minsQuiz | Imp. Qs. of Probability37 minsSolve RD Sharma Problems 2x Faster30 minsLet's understand Probability40 minsWhen Chance is called Probability48 minsTry our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
view all courses
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
