There are three boxes: the first box has 3 red balls and 5 blue balls, the second box has 4 red balls and 6 yellow balls

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There Are Three Boxes The First Box Has 3 Red Balls And 5 Blue Balls The Second Box Has 4 Red Balls And 6 Yellow Balls 1 (33.76 KiB) Viewed 117 times

There are three boxes: the first box has 3 red balls and 5 blue balls, the second box has 4 red balls and 6 yellow balls, and the third box has 2 blue balls and 7 yellow balls. The probability that a person randomly selects a box and randomly selects a ball from it. (a) What is the probability that a person will select a blue ball? (b) What is the probability that a person selected a blue ball from then the third box? Explain how you arrived at your answer - and simplify your answer as an expression without combination and permutation notation, It's okay to have fraction, power, or factorial. Answer without explanation will not receive full credit.