The mean of a normal probability distribution is 500 and the standard deviation is 10. About 95 percent of the observations lie between what two values?
A) 475 and 525
B) 480 and 520
C) 400 and 600
D) 350 and 650
E) None of the choices are correct

Question

Quizplus · Accepted Answer

The Answer of The mean of a normal probability distribution is 500 and the standard deviation is 10. About 95 percent of the observations lie between what two values?
A) 475 and 525
B) 480 and 520
C) 400 and 600
D) 350 and 650
E) None of the choices are correct

The Mean of a Normal Probability Distribution Is 500 and the Standard