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Before colour TV balls used in statistics were coloured black and white.
Statistical questions were posed asking, say, the probability of selecting a white ball from a mixture of black and white balls hidden in a bag (sometimes white and black balls). A practical set up that, over a large number of tries, would show that the maths being examined was (statistically) good.
Since colour TV there has been a preponderance of the use of coloured balls in the experiments and, often, one of the colours used is green. Also, using colour allows more than two different things to be the subject of statistical experiment.
Of course colour TVs had nothing to do with this but the rest is true - honest.
Beano GB
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Karen has a bag of 4 blue balls 2 green balls 1 red ball What is the chance that she will pull a green ball from the bag?
2 in 7.
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%.
A bag contains 3 red balls and 4 green balls randomly draw one ball then replace it and randomly draw a second what is the percentage?
Drawing one red ball out of a bag that contains 3 red balls and 4 green balls is 3 in 7. If we are to randomly select one ball out of the bag and replace it (I assume with the same ball) then there are still 3 red balls and 4 green balls. The odds are still 3 in 7. It doesn't matter how many times you draw. Every time you draw a ball you have a 3 in 7 chance of pulling out a red ball.
What is green small round and goes up and down?
ITS A BALL, RIGHT!?! NO a sprout in a lift
How do get past level 3 on civiballs x-mas edition?
outside:cut the red one with the green string then cut the green one with the blue string next you cut the red string on the pipe then cut the orange ball with the green string then you cut the blue string on the pipe then cut the red ball with the yellow string inside:i have no idea.
