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What is the probability that 2 balls drawn are white and blue?
A bag consists of 3 red balls, 6 white balls and 7 blue balls. What is the probability that 2 balls drawn are white and blue? P (White & Blue) = P (event 1) + P (event 2) = 7/40 + 7/40 = 7/20 = 0.35 Since both are dependent i.e the the use of ‘and’ in the question means the two events must be multiplied
How many blue and red balls are drawn from a bag?
Three balls are drawn at random from a bag containing 6 blue and 4 red balls. What is the chance that 2 balls are blue and 1 is red? 8 clever moves when you have $1,000 in the bank.
What is the expected value of 3 balls in the bag?
Of the 10 balls in the bag, 4 are red and 6 are blue. Therefore any ball has an expected value of (4/10=) 0.4 red and 0.6 blue. Therefore the expected red value of 3 balls is 3*
How many balls are drawn at random in the lottery?
Three balls are drawn at random. What is the probability that one ball is red and the other two are white? Given a bag contains 6 white and 4 red balls. One ball is red and two balls are white. Was this answer helpful?
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How many blue and red balls are in a box?
Homework Question: A box contains 3 red and 5 blue balls. Two balls are drawn without replacement from the box. What is the probability of drawing first a blue and then a red ball? – Quora Homework Question: A box contains 3 red and 5 blue balls. Two balls are drawn without replacement from the box.
How many balls are in box 1 2 and 3?
3 balls (Red and white) in box 1, 2 and 3 each. Box 1 has 1 red ball, box 2 has 2 red ball and box 3 has 3 red ball. I randomly picked one of the 3 boxes, and took 1 ball out and it was red. What is the probability that the box I picked was box 1?
How many blue and white balls are in a bag?
A bag consists of 3 red balls, 6 white balls and 7 blue balls. What is the probability that 2 balls drawn are white and blue? P (White & Blue) = P (event 1) + P (event 2) = 7/40 + 7/40 = 7/20 = 0.35