### The solution gives detailed steps on calculating the z value for the data of normal distribution and type 1 and type 2 errors when performing hypothesis testing.

Please explain how to answer the two questions in the attached file. I have to show my work using excel functions. 1. If you use a 0.10 level of significance in a (two-tail) hypothesis test, what is your decision rule for rejecting a null hypothesis that the population mean is 500 if you use the Z test? 2. Do students at y