Normal Distribution - HP 12c Solutions Handbook

1. Key in the program.
2. Press
3. Key in the first O
4. Key in the first E
5. Repeat steps 3 and 4 for all data pairs. The x
6. For a new case, go to step 2.
Keystrokes
CLEAR
25
20
17
20
15
20
23
20
24
20
16
20

Normal Distribution

The normal (or Gaussian) distribution is an important tool in statistics and
business analysis. The following HP-12C program gives an approximation
to the upper tail area Q under a standardized normal distribution curve,
given x. The upper tail area signifies the probability of occurrence of all
values x.
CLEAR .
value and press
i
value and press
i
1.25
1.70
2.95
3.40
4.20
5.00
.
.
2
Display
2
X
113
value is displayed.