1) Z is the standard normal variable. Use Table 1 in your Unit Guide to determine the required probability to four decimal places. Answers should be given in the form 0.xxxx.

2)Z is the standard normal variable. Use Table 1 in your Unit Guide to determine the required probability to four decimal places. Answers should be given in the form 0.xxxx.

P(Z > -0.92)

3)Z is the standard normal variable. Use Table 1 in your Unit Guide to determine the required probability to four decimal places. Answers should be given in the form 0.xxxx.

P(1.02 < Z < 2.04)

4)Z is the standard normal variable. z0is a value of this variable such that

P (Z > z0) = 0.1230

Use Table 1 in your Unit Guide to determine the required value to two decimal places. Answers should be given in the form x.xx or

-x.xx as appropriate.

5) Z is the standard normal variable. Use the Excel function NORMSDIST to determine the required probability to 4 decimal places. Give your answer in the form 0.xxxx.

P(0.3444 < Z <0.6777)