a box contains black and white balls consider an experiment where we d
A box contains black and white balls. Consider an experiment where we draw a random ball from the box, check the color of the ball and return it to the box. We know that if we draw a random ball n times the expected value of the number of black balls is 3 and the variance is 2. What is the probability that in these n draws we get a white ball less than 7 times?
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