Question

5 points

A set of data has a normal distribution with a mean of 17.5 and a standard
deviation of 1.6. Determine which of the following values represent the
percent of the data between 15.9 and 19.1?
A 48%
B 68%
C 95%
D 99.7%

Answer 1

B.

Explanation:

Use your calculator’s normalcdf function.

normalcdf(15.9, 19.1, 17.5, 1.6) = 0.6827

That’s closest to 68%.