The point value of each assignment is set in the assignment itself. If needed, you can adjust the weights of scheduled assignments in the GradeBook settings after setting up your GradeBook.
From the menu, click Grades › GradeBook.
If needed, select a class section.
Click Wizard.
For Final Grade Calculation Method, select I want WebAssign to calculate a final grade based on the category averages.
Click Next.
For Weighting Method, select Skip Weighting. Each category is worth the total number of points of all the assignments..
Setting category weights has no effect when you calculate final grades based on points.
Click Next.