SOLUTION: The mean and standard deviation of 500 students who took a statistics final were 72 and 8, respectively. The grades have a mound-shape distribution. Based upon this information, th

Algebra ->  Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: The mean and standard deviation of 500 students who took a statistics final were 72 and 8, respectively. The grades have a mound-shape distribution. Based upon this information, th      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


   



Question 1031583: The mean and standard deviation of 500 students who took a statistics final were 72 and 8, respectively. The grades have a mound-shape distribution. Based upon this information, the best estimate of the number of students who scored between 56 and 88 is


A 68%
B 95%
C 340
D 475
E 375

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
B. 95%
This is immediate from the Empirical Rule.