Mathematics, 04.08.2020 14:01, Chandler1Gaming

A box contains 7 black balls, 2 white balls and 4 yellow balls, all of which are identical eccept for the colour. A ball is selected at random from the box and replaced, then a second one is selected. What is the probability that (a) Both balls are black? (b) The first yellow and second is white? (c) Both are yellow or black?

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A box contains 7 black balls, 2 white balls and 4 yellow balls, all of which are identical eccept fo...