Arrange the procedure by determining the number (1, 2 & 3) of arrangement in finding the area under any normal curve.

Step:

_____ Find the corresponding area, using a table, calculator, or software.

_____ Draw a normal curve and shade the desired area.

_____ Convert the values of X to z values, using the formula z = (x - mu)/sigma.

a) 1, 2, 3          c) 3, 1, 2

b) 2, 3, 1          d) None of these

Please help. ​