The standard normal curve shown below is a probability density curve for a continuous random variable . what is the area of the shaded region between the two z scores indicatedin the diagram ?

Question

anonymous · Answer

when the Z scores are -1.36 and 0.85

anonymous · Answer

First find the area of the region from 0.85 down using a tables. Find the area of the region from -1.36 down and then find the difference in your two answers.

anonymous · Answer

so i would find those numbers on the table then substract them

anonymous · Answer

Yes, you will need a tables like this http://www.math.unb.ca/~knight/utility/NormTble.htm

anonymous · Answer

$$\int\limits_{a}^{b}f(x)dx$$

anonymous · Answer

for the -1.36 the number i got was 0.0869<--
for the 0.85 i got 0.8023 <--
so do i substract them  from each other ?