document.write( "Question 469386: There are three brands of riding mowers: Ranger, Turfmaster, and Colt. Fifity percent of the riding mowers sold by a company are rangers, thirty five percent are turfmasters, and fifteen percent colts. Each brand of mower comes with a one-year parts and labor warranty. Based on their records, Perry knows that the chance of a warranty claim is 5% for the Ranger, 15% for the Turfmaster, and 25% for the Colt. If the company's manager tells a guy that a riding mower has just been brought in for a repair covered by the warranty, then\r
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document.write( "a) What is the chance that the riding mower is a Colt?
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document.write( "b) What is the chance that the riding mower is a Turfmaster?
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document.write( "c)What is the chance that the riding mower is a Ranger?\r
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document.write( "What confuses me are the two different percentages..how do I use the information?Also, yes there is a similar question to this posted on the website but no one has answered it yet so I posted this again. Thank you for your help. \n" );
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Algebra.Com's Answer #322034 by stanbon(75887) ![]() You can put this solution on YOUR website! There are three brands of riding mowers: Ranger, Turfmaster, and Colt. \n" ); document.write( "Fifty percent of the riding mowers sold by a company are rangers, \n" ); document.write( "thirty five percent are turfmasters, and \n" ); document.write( "fifteen percent colts. \n" ); document.write( "----------------------------------- \n" ); document.write( "Each brand of mower comes with a one-year parts and labor warranty. Based on their records, Perry knows that the chance of a warranty claim is 5% for the Ranger, 15% for the Turfmaster, and 25% for the Colt. \n" ); document.write( "----------------------------------- \n" ); document.write( "If the company's manager tells a guy that a riding mower has just been brought in for a repair covered by the warranty, then \n" ); document.write( "a) What is the chance that the riding mower is a Colt? \n" ); document.write( "b) What is the chance that the riding mower is a Turfmaster? \n" ); document.write( "c)What is the chance that the riding mower is a Ranger? \n" ); document.write( "What confuses me are the two different percentages..how do I use the information? \n" ); document.write( "---- \n" ); document.write( "This is a Bayes Theorem problem. You probably have an example in \n" ); document.write( "your text. \n" ); document.write( "The 1st percentages are the percentage you have a Colt or a Turfmaster or \n" ); document.write( "a Ranges mower. \n" ); document.write( "--- \n" ); document.write( "The 2nd percentages are conditional percents that you need repair given \n" ); document.write( "that you have a Colt, or you need repair given that you have a Turfmaster, \n" ); document.write( "etc. \n" ); document.write( "--- \n" ); document.write( "But P(Colt)*P(needs repair|Colt) = P(Colt AND needs repair) \n" ); document.write( "--- \n" ); document.write( "With that info for each of the mowers you can figure out \n" ); document.write( "probability you have a Colt or Turfmaster or Ranger. \n" ); document.write( "======================================================= \n" ); document.write( "Check your text for an example or check Bayes Theorem online. \n" ); document.write( "======================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |