(1) Find the probability P(z < -0.51) using the standard normal distribution
(2)Find the probability P(z > 0.73) using the standard normal distribution.
3)) Find the probability P(-0.99 < z < 1.16) using the standard normal distribution
4)Find the probability P(z > -0.64) using the standard normal distribution.
5)What is the z value such that 50% of the total area under the standard normal distribution curve lies to the right of it?
6)) Find the z value to the right of the mean such that 85% of the total area under the standard normal distribution curve lies to the left of it?