The following population parameters were obtained from a graphing calculator. Assuming the population is bell-shaped, approximately what percentage of the population values are between 51 and 91?
A) 95%
B) almost all (greater than 95%)
C) 5%
D) 68%

Question

The following population parameters were obtained from a graphing calculator.  Assuming the population is bell-shaped, approximately what percentage of the population values are between 51 and 91?
A) 95% 
B) almost all (greater than 95%) 
C) 5% 
D) 68%

Quizplus · Accepted Answer

The Answer of The following population parameters were obtained from a graphing calculator.  Assuming the population is bell-shaped, approximately what percentage of the population values are between 51 and 91?
A) 95% 
B) almost all (greater than 95%) 
C) 5% 
D) 68%

The Following Population Parameters Were Obtained from a Graphing Calculator