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An owner of a supermarket store wants to find Purchase Decision Brand A Brand B out if his customers prefer ready-to-eat products

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An owner of a supermarket store wants to find Purchase Decision Brand A Brand B out if his customers prefer ready-to-eat products. He stocks two brands in his store. A Buy 90 210 contingency table showing the findings from Do not buy in-store purchases is given to the right (a) What is the probability that a randomly selected customer will buy a ready-to-eat product? (b) What is the probability that a randomly selected customer will not buy a ready-to-eat product? (c) What is the probability that a randomly selected customer will buy Brand A? 85 115 ..... (a) The probability that a randomly selected customer will buy a ready-to-eat product is (Type an integer or a decimal.) (b) The probability that a randomly selected customer will not buy a ready-to-eat product is (Type an integer or a decimal.) (c) The probability that a randomly selected customer will buy Brand Ais (Type an integer or a decimal.)