66
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
x
σ
t =
Standardization conversion formula
Chapter 4: Statistical Calculations