Casio fx-570ES - Incorporating Values into Functions; Integrating Expressions within Functions

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Casio FX-570ES One Page Exercise:
STANDARD NORMAL DISTRIBUTION
>>> Find P(X < -0.259) if variable X ~ N(0,1).
What To Do The Screen Display
Turn on the calculator and then set calculator to “STAT” mode.
W w 3
Clear the screen and go to distribution mode.
C q 1 7
Choose “P(“ and find the probability.
1 z 0 . 2 5 9 ) p
>>> Find P(X > 1.83) if variable X ~ N(0,1).
What To Do The Screen Display
After the exercise above, return to distribution mode to choose “R” and find the probability.
q 1 7 3
1 . 8 3 ) p
>>> Find P(1 < X < 2.5) if variable X ~ N(0,1).
What To Do The Screen Display
Continuing from the above exercise, the fastest way to find this probability should be as follow.
q 1 7 1 2 . 5 )
- q 1 7 1 1 ) p