Solve the below:
Q1) Sketch area under standard normal curve over the indicated intervals, and find the specified area.
a) to the left of z=0.15
b) to the right of z=-2.17
c) between z=-1.40 and z=2.03
Q2) Let z be a random variable with standard normal distribution. Find indicated probability and shade corresponding area under the standard normal curve
a) p(<_3.20)
b)p(-1.78<_z<_-1.23)
c)p(-2.37<_z<_o)