document.write( "Question 527807: The average height of flowering cherry trees in a certain nursery is 9.5 feet. If the heights are normally distributed with a standard deviation of 1.3 feet, find the probability that a tree is less than 11.5 feet tall. \n" ); document.write( "
Algebra.Com's Answer #349027 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The average height of flowering cherry trees in a certain nursery is 9.5 feet. If the heights are normally distributed with a standard deviation of 1.3 feet, find the probability that a tree is less than 11.5 feet tall. \n" ); document.write( "-------------- \n" ); document.write( "z(11.5) = (11.5-9.5)/1.3 = 1.5385 \n" ); document.write( "---- \n" ); document.write( "P(x < 11.5) = P(z < 1.5385) = 0.9380 \n" ); document.write( "--------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "=========== \n" ); document.write( " |