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8. An electronics store sells three brands of tablets: Brand P, Brand Q, and Brand R. 35%\of the tablets sold are Brand P, 45% are Brand Q, and 20% are Brand R. Each brand\offers a 2-year warranty. It is known that 25% of Brand P tablets require warranty\repair work, while the corresponding percentages for Brand Q and Brand R are 20%\and 15%, respectively.\(a) What is the probability that a randomly selected purchaser has bought a Brand\P tablet that will need repair while under warranty?\(b) What is the probability that a randomly selected purchaser has a tablet that will\need repair while under warranty?\(c) If a customer returns to the store with a tablet that needs warranty repair work,\what is the probability that it is a Brand P? Brand Q? and Brand R?

          8. An electronics store sells three brands of tablets: Brand P, Brand Q, and Brand R. 35%\of the tablets sold are Brand P, 45% are Brand Q, and 20% are Brand R. Each brand\offers a 2-year warranty. It is known that 25% of Brand P tablets require warranty\repair work, while the corresponding percentages for Brand Q and Brand R are 20%\and 15%, respectively.\(a) What is the probability that a randomly selected purchaser has bought a Brand\P tablet that will need repair while under warranty?\(b) What is the probability that a randomly selected purchaser has a tablet that will\need repair while under warranty?\(c) If a customer returns to the store with a tablet that needs warranty repair work,\what is the probability that it is a Brand P? Brand Q? and Brand R?

$8. An electronics store sells three brands of tablets: Brand P, Brand Q, and Brand R. 35%\of the tablets sold are Brand P, 45% are Brand Q, and 20% are Brand R. Each brand\offers a 2-year warranty. It is known that 25% of Brand P tablets require warranty\repair work, while the corresponding percentages for Brand Q and Brand R are 20%\and 15%, respectively.\(a) What is the probability that a randomly selected purchaser has bought a Brand\P tablet that will need repair while under warranty?\(b) What is the probability that a randomly selected purchaser has a tablet that will\need repair while under warranty?\(c) If a customer returns to the store with a tablet that needs warranty repair work,\what is the probability that it is a Brand P? Brand Q? and Brand R?$

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