document.write( "Question 1205163: The amount of snowfall falling in a certain mountain range is normally distributed with a mean of 105 inches, and a standard deviation of 16 inches. What is the probability that the annual snowfall will exceed 120 inches? \n" ); document.write( "
Algebra.Com's Answer #842235 by Theo(13342)![]() ![]() You can put this solution on YOUR website! mean is 105. \n" ); document.write( "standard deviation is 16. \n" ); document.write( "z-score is z = (x-m)/s \n" ); document.write( "z is the z-score \n" ); document.write( "x is 120 \n" ); document.write( "m is 105 \n" ); document.write( "s is 16 \n" ); document.write( "formula becomes z = (120 - 105)/16 \n" ); document.write( "solve for z to get z = .9375. \n" ); document.write( "area to right of z-score of .9375 = .17425 rounded to 5 decimal digits. \n" ); document.write( "that's the probability of getting annual snowfall to exceed 120 inches.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |