Table of Contents
- 1 What is the probability that one ball is red and the other is white?
- 2 What is the probability of getting 9 in a single throw of a dice?
- 3 When three coins are tossed what is the probability of getting 3 tails?
- 4 What is the probability that at least one red ball is not?
- 5 How many red balls are in a bag of balls?
- 6 What is the chance of two balls being drawn at random?
What is the probability that one ball is red and the other is white?
Therefore the probability of getting not a black ball is 4/5. Therefore the probability of getting a red ball or a black ball is 13/20. Therefore the probability of getting a red ball or a white ball is 4/5.
What is the probability of getting 9 in a single throw of a dice?
The probability of getting 9 as the sum when 2 dice are thrown is 1/9.
When three coins are tossed what is the probability of getting 3 tails?
1/8
Answer: The probability of flipping a coin three times and getting 3 tails is 1/8.
What is the probability of getting a sum of 9 from two throws of a dice?
1/9
The probability of getting 9 as the sum when 2 dice are thrown is 1/9.
What is probability definition Class 9?
Probability is the measure of the likelihood of an event to occur. Events can’t be predicted with certainty but can be expressed as to how likely it can occur using the idea of probability.
What is the probability that at least one red ball is not?
The probability that at least one red = Probability of first one red and second is not red + Probability of first one red and second balls is red+Probability of first ball is not red and second ball is red. A bag contains 5 white and 3 red balls. One ball is drawn at random.
How many red balls are in a bag of balls?
Ex15.1, 8 A bag contains 3 red balls and 5 black balls. A ball is drawn at random from the bag. What is the probability that the ball drawn is (i) red?
What is the chance of two balls being drawn at random?
Two balls are drawn at random, hence total possible ways of drawing two balls at random is 11C2=55 Where m=number of favourable cases. n=total number of cases. Note : nCr= n!/r! (n-r)! , former Semi Retired one time ad man and marketer. if first ball drawn is White, chance of second being Red is 3/10.
How do you pick 2 yellow balls from 8 balls?
To pick 2 yellow balls: 1 yellow ball is picked out of the 3 yellow balls from the 8 balls (3/8), and them 1 yellow ball is picked out of the rest 2 yellow balls from the rest 7 balls (2/7). A bag contains three red balls, one yellow ball and 2 green balls. Two balls are drawn.the probability that at least one of the drawn balls is red?