document.write( "Question 755544: The weight of all football players in high school teams is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds.\r
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document.write( "A player’s weight is at the 90th percentile of weights. (90 percent players have weight less than this weight) What is the weight of this player in pounds?
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document.write( "a. 250
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document.write( "b. 232
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document.write( "c. 242
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document.write( "d. 268
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document.write( "e. None of the above answers is correct.\r
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document.write( "I thought you were suppose to use the formula: P/100 *n
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document.write( "But I don't know what \"n\" should be or if that's even the formula I'm suppose to be using.
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Algebra.Com's Answer #459756 by stanbon(75887) ![]() You can put this solution on YOUR website! The weight of all football players in high school teams is normally distributed with a mean of 200 pounds and a standard deviation of 25 pounds. \r \n" ); document.write( "\n" ); document.write( "A player’s weight is at the 90th percentile of weights. (90 percent players have weight less than this weight) What is the weight of this player in pounds? \n" ); document.write( "----- \n" ); document.write( "Find the z-value with a left tail of 90% \n" ); document.write( "invNorm(0.9) = 1.2816 \n" ); document.write( "---- \n" ); document.write( "Find the corresponding wt. value using x = z*s + u \n" ); document.write( "wt = 1.2816*25+200 = 232.04 lbs \n" ); document.write( "--- \n" ); document.write( "Answer: b \n" ); document.write( "================ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================ \n" ); document.write( "a. 250 \n" ); document.write( "b. 232 \n" ); document.write( "c. 242 \n" ); document.write( "d. 268 \n" ); document.write( "e. None of the above answers is correct. \n" ); document.write( "I thought you were suppose to use the formula: P/100 *n \n" ); document.write( "But I don't know what \"n\" should be or if that's even the formula I'm suppose to be using. \r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |