1. Excel steps to find the probability for the weekly incomes of shift supervisors that are less than $1100 are as follows:

b. Enter 1100 for X, 1000 for the Mean, 100 for the Standard_dev, 1 for Cumulative and click OK.

c. The result will be in your spreadsheet.

a. Select Insert Function. From the Or select a category list, select Statistical. In the Select a function list, click NORM.DIST. Click OK.