Notifications
Clear all
A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3. Find the number of blue balls in the jar.
Probability
1
Posts
2
Users
0
Likes
270
Views
0
03/07/2021 10:52 am
Topic starter
A jar contains 24 marbles, some are green and others are blue. If a marble is drawn at random from the jar, the probability that it is green is 2/3. Find the number of blue balls in the jar.
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
03/07/2021 10:54 am
Total marbles = 24
Let the total green marbles = x
So, the total blue marbles = 24 - x
P(getting green marble) = x/24
From the question, x/24 = 2/3
Total green marbles = 16
Total blue marbles = 24-x = 8
Add a comment
Add a comment
Forum Jump:
Related Topics
-
A box contains 12 balls out of which x are black. If one ball is drawn at random from the box, what is the probability that it will be a black ball?
3 years ago
-
A bag contains 5 red balls and some blue balls. If the probability of drawing a blue ball is double that of a red ball, determine the number of blue balls in the bag.
3 years ago
-
A die is numbered in such a way that its faces show the numbers 1, 2, 2, 3, 3, 6. It is thrown two times and the total score in two throws is noted.
3 years ago
-
Two customers Shyam and Ekta are visiting a particular shop in the same week (Tuesday to Saturday).
3 years ago
-
If two coins are tossed simultaneously there are three possible outcomes—two heads, two tails or one of each.
3 years ago
Forum Information
- 321 Forums
- 27.3 K Topics
- 53.8 K Posts
- 0 Online
- 12.4 K Members
Our newest member: Stripchat
Forum Icons:
Forum contains no unread posts
Forum contains unread posts
Topic Icons:
Not Replied
Replied
Active
Hot
Sticky
Unapproved
Solved
Private
Closed