After a particular heavy snowstorm, the depth of snow reported in a mountain village followed a uniform distribution over the interval from 15 to 22 inches of snow. Find the standard deviation of
The snowfall amounts.
A)18.5 inches
B)1.42 inches
C)2.02 inches
D)4.08 inches

Question

Quizplus · Accepted Answer

The standard deviation for a uniform distribution on the interval [a, b] is calculated using the formula: (b-a)/√12. Here, a = 15 and b = 22, so the standard deviation is (22-15)/√12 = 2.02 inches.

After a Particular Heavy Snowstorm, the Depth of Snow Reported