Question: Write the percentage of the area shaded in the normally distributed curve shown.
A ) 4.7% B ) 2.35% C ) 95% D ) 99.7%
Steps to derive
1 The area of the curve about the mean under 1 standard deviation is about 68%, under 2 standard deviations is about 95% and under 3 standard deviations is 99.7%.
