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The probability of getting on the first draw a black ball is: P(B1) =
3/7.
The probability of getting a red ball given the event of drawing a black ball on the
first draw is: P(R2│B1) =
4/6.
The probability of drawing a black ball on the first draw and a red ball on the second draw is: P(B1UR2) =
P(B1)∙P(R
2│B1) =
(3/7)∙(4/6) =
0.2857... ~ 0.286 ~ ~ 28.6%
What else can I help you with?
7 Pink 5 Black 11 Yellow balls are there Minimum no atleast to get one black and yellow ball?
17
A bag contains 7 red 5 blue 4 white and 4 black balls find the probability that a ball drawn at random is red or white?
It is (7+4)/(7+5+4+4) = 11/20
The ratio of white marbles to black marbles is 7 to 10 of there are 136 marbles in the bag how many marbles are white?
if the balls are in the ratio of 7:10, then in every 7+10 = 17 of them 7 are white and 10 are black. With 136 marbles there are 136 ÷ 17 = 8 lots → there are 8 lots × 7 white/lot = 56 white.
Does color affect the volume of a ball?
If you put a ball in the sun, different colors would absorb or reflect the sun more or less. So that would heat up the air inside the ball and make it bigger or smaller. Black balls would be bigger and white ones smaller. ( NO PUN INTENDED)
Does black match with black?
Yes it does if your a girl wearing black and black looks sexy!
John has 16 red balls and 12 black balls what is the ratio of red balls to black balls in its simplest form?
balls
Are there secret master balls in Pokemon?
Surprisingly, yes. In Black and White, if you trade with people from fifty different countries, you receive a second Master Ball.
If a bag1 have 12 balls including 4 black balls and bag2 have 12 balls including 2 black ball how many black ball need to put in bag2 to make same probability of both bag?
The probability of a black ball in bag 1 is 4/12 = 1/3. If you add 3 black balls to bag 2, it will contain 5 black balls out of 15: the probability of a black ball being 3/15 = 1/3.
I already have 3 balls of wool but he says you that bring 3 balls of wool again which i already haverunescape?
I am assuming that what you are talking about is the quest where you have to get BLACK balls of wool and give it to the farmer. You get black balls of wool by shearing the black sheep, then spinning the wool on the spinning wheel.
In which sport do red and yellow balls oppose blue and black balls?
croquet
If your balls are black and blue what colour are your opponents balls in croquet?
red and yellow
Is Jack Black in Balls of Fury?
No, he is not.
A box contains 7 red balls and 11 black balls two balls are taken out one after the other without replacement what is the probability that both balls are black?
11/18 x 10/17 = .359
What is the probability of pulling a black ball and then a green ball if there are 3 red balls 3 green balls 3 blue balls and 3 black balls?
3/12*3/11 = 9/132, or 6.818%.
Will the earth end because of the atom smasher?
Chances are, probably not. Even if it does create a black hole, it would be extremely small and only last for a fraction of a second.
What is the probability of choosing 3 red balls and 2 black balls out of a bag which contains 5 red balls 2 green balls and 4 black balls?
If you draw enough balls, without replacement, the probability is 1.The answer depends onhow many balls are drawn, andwhether or not they are replaced.Unfortunately, your question gives no information on these matters.
How many master balls do you get in Pokemon black?
You can get 2 Master Balls in both versions.
