1. Consider the standard normal distribution with mean = 0, and standard deviation = 1

a. What is the probability that an outcome z is greater than 2.20?

b. What is the probability that z is less than 1.1? 7

c. What is the probability that z is between -1.03 and 0.84?

d. What value of z cuts off the upper 23% of the standard normal distribution?

e. What value of z cuts off the lower 18% of the standard normal distribution?