Question

The scores on a test are normally distributed. The mean of the test is 750 and the standard deviation is 70. By using the Empirical rule, what scores fall 3 standard deviations from the mean?
a.610 and 820 b.610 and 960 c.680 and 820 d.540 and 960

Answer 1

I think it will be B 610 and 820 but im not sure.
Hope This Helps!
~Cupcake