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 3 red, 5 yellow and 4 green balls. 3 balls are drawn randomly.
How many balls are in a jar of balls?
Unearth hidden insights and grow your business. A jar contains 6 red balls, 3 green balls, 5 white balls, and 7 yellow balls. Two balls are chosen from the jar, with replacement. What is the probability that both balls chosen are green?
How many green and red balls are there in each bag?
A bag A contains 4 green and 6 red balls. Another bag B contains 3 green and 4 red balls. If one ball is drawn from each bag, find the probability that both are green.
What is the value of 3c2 times 9C1?
(3C2 x 9C1) = because at least 2 green balls out of 3 totals green balls and 1 balls out of total red and yellow balls. 5 (red balls) + 4 (yellow balls) + 3 (green balls) = 12 balls.
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 balls are in a bag of black balls?
A bag contains 4 black balls, 3 white balls, and 2 red balls. 2 balls are randomly drawn from the bag and kept. What is the probability that both balls will be red? A bag contains 4 black balls, 3 white balls, and 2 red balls. 2 balls are randomly drawn from the bag and kept.
How many balls are in a bag of 5 red balls?
A bag contains 5 red balls, 3 black balls and 4 white balls. Three balls are drawn at random. The probability that they are not of same colour is First let’s Find the Probability that they are of same colour .
How many balls are there in a bag of draw?
A bag contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the bag, if at least one black ball is to be included in the draw | Permutation and Combination Questions Answers MCQ | Quantitative Aptitude
How many red and white balls are in a box?
A box contains 7 red balls, 8 white balls, and 3 blue balls. If 3 balls are drawn at random without replacement, what is the probability of 2 are red and one is blue, at least 2 are white, and 1 of each colour are drawn?
What is the probability of drawing 2 red and 1 Blue?
There are a total of 18 balls in the box and there are 3 ways to draw 2 red and 1 blue: first red 7 18 next red 6 17 blue 3 16 for a probability of ( 7 18) ( 6 17) ( 3 16) ≈ 0.026 The other two ways have the same probability so the final probability is ≈ 0.077 → 2 Red & 1 Blue. The other two combinations can be done the same way.
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.