Its really helpful to draw the graph of the distribution, and write the z values and shade the area in
So area to the right of z=-1.25 is
by symmetry
So similiarly the area to left of 1.25 is
So i am asked to find the area under the standard normal curve to the right of z=-1.25......(i look up my chart, it says .1056, so I subtract 1-. 1056= .8944)
Is this .8944 correct?
Then the second part asks me to findthe area under the standard normal cruve to the LEFT of z=1.25.
I think it is now .1056!
Can someone enlighten me and help to check these over? Thank you!