Normal Probability Calculations - Sharp EL-5230 Operation Manual

Chapter 4: Statistical Calculations

Normal Probability Calculations

• P( t ), Q( t ), and R( t ) will always take positive values, even when t <0,
because these functions follow the same principle used when solving for
an area.
• Values for P( t ), Q( t ), and R( t ) are given to six decimal places.
–
x – x
t =
Standardization conversion formula
x σ
66