Table of Contents
- 1 What is the probability that all 3 balls drawn are different colors?
- 2 What is the probability of selecting a ball having number multiple of three?
- 3 What is the probability of picking a ball with even numbers if 12 balls numbered from 1 to 12 are kept in a basket?
- 4 How many balls are there in the bag?
What is the probability that all 3 balls drawn are different colors?
Case 2. Both are green (3/12)*(2/11)=6/132. Case 3. Both are blue (5/12)*(4/11)=20/132.
How many ways are there to pick 3 balls out of the jar such that all 3 balls have the same color?
5 Answers. There are (53)+(43)+(33) total ways of having a success. There are a total of (123) different ways of choosing 3 balls. “..at the same time.” doesn’t magically improve a chance of ball to be picked somehow.
What is the probability of picking the same color twice?
There are ways to pick one white and one black. So the probability of one of each is . Now it must be the case that either we get one of each color OR we get two of the same color. Since these two probabilities must add to one, that leaves or just less than 50\% as the probability of two of the same color.
What is the probability of selecting a ball having number multiple of three?
1/3
The probability that the number of the drawn ball will be a multiple of 3 is 1/3.
How are the odds of winning the lottery calculated?
To find the odds of winning any lottery, divide the number of winning lottery numbers by the total number of possible lottery numbers. If the numbers are chosen from a set and the order of the numbers doesn’t matter, use the formula. r !
What is the probability of selecting 2 red balls?
On your first pick, the probability is 11/16 that you choose a red ball. On the second pick, the probability is 10/15 that you choose a red ball. So 11/16*10/15 = 110/240 = 45.83\% chance of picking two red balls in a row.
What is the probability of picking a ball with even numbers if 12 balls numbered from 1 to 12 are kept in a basket?
= 1/3.
What is the probability that the balls drawn contain different colors?
A bag contain 2 red balls, 6 yellow balls and 4 green balls. If 3 balls are drawn randomly, then what is the probability that the balls drawn contain balls of different colors? = 48. = 12 / 55. A bag contain 2 red balls, 6 yellow balls and 4 green balls.
How many balls can be selected from remaining 12 4?
Rest 1 ball can be selected from remaining ( 12 – 4 ) = 8 balls in 8 C 1. = 42 / 55. A bag contain 2 red balls, 6 yellow balls and 4 green balls. If 3 balls are drawn randomly, then what is the probability that the balls drawn contain no yellow ball?
How many balls are there in the bag?
There are 12 balls in a bag. 3 of them are red, 4 of them are green, and 5 of them are blue. We randomly take out 3 balls from the bag at the same time. What is the probability that all three balls are of the same colour?
What is the probability of picking a red ball in blackjack?
probability Basics 1 There are 4 red balls in the box so the probability of picking a red ball is 4 out of 10 or 4/10 which can be… 2 There is only one black ball in the box so the probability is 1/10 or 10\%. 3 There are 8 balls that are not blue, so the probability of picking a ball that’s not blue is 8/10 or 80\%. This makes… More