document.write( "Question 251672: You know that houses in your school district sell for a mean of $350,000 with a standard deviation of $50,000. Assume they follow a normal distribution. You are looking for a new home in your school district, and want to spend between $280,000 and $340,000. What percentage of homes are within your budget?
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Algebra.Com's Answer #183348 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! You know that houses in your school district sell for a mean of $350,000 with a standard deviation of $50,000. Assume they follow a normal distribution. You are looking for a new home in your school district, and want to spend between $280,000 and $340,000. What percentage of homes are within your budget? \n" ); document.write( "---------------- \n" ); document.write( "Find the z-score of 280000 and 340000 \n" ); document.write( "The P(280,000< x < 340000) = P(z is between those z-scores you found) \n" ); document.write( "--- \n" ); document.write( "I got Prob = 0.34 using a TI calculator and the command \n" ); document.write( "normalcdf(280000,340000,350000,50000). \n" ); document.write( "=============== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |