Given a standardized normal distrubtion (with a mean of 0 and a standard deviation of 1, as in Table E.2) what is the probability that a. Z is less than 1.57? b. Z is greater than 1.84? c. Z is...

Given a standardized normal distrubtion (with a mean of 0 and a standard deviation of 1, as in Table E.2) what is the probability that

a. Z is less than 1.57?

b. Z  is greater than 1.84?

c. Z is between 1.57 and 1.84?

d. Z is less than 1.57 or greater than 1.84?