-Refer to Table 4.1. Approximately what proportion of the standard distribution's total area is found between 1.5 standard deviations above the mean and 2 standard deviations above the mean?
A) approximately 0.02 of the total area under the curve
B) approximately 0.04 of the total area under the curve
C) approximately 0.09 of the total area under the curve
D) approximately 0.91 of the total area under the curve

Question

-Refer to Table 4.1. Approximately what proportion of the standard distribution's total area is found between 1.5 standard deviations above the mean and 2 standard deviations above the mean?
A) approximately 0.02 of the total area under the curve 
B) approximately 0.04 of the total area under the curve 
C) approximately 0.09 of the total area under the curve 
D) approximately 0.91 of the total area under the curve

Quizplus · Accepted Answer

The area between 1.5 and 2 standard deviations above the mean in a standard normal distribution is approximately 0.04.