7. A ball is drawn at random from a box containing six red balls, four white balls and five black balls. Determine the probability that it is a) Red b) White c) Blue d) Not Red Ans(2/5,4/15,0,3/5)
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There are 6 red balls, 4 white balls, and 5 black balls, so the total number of balls is 6 + 4 + 5 = 15. Show more…
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