Casio ALGEBRA FX2.0 Advanced Statistics Examples 3 User Manual
Page 22
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61
examples
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Example
George is taking a multiple-choice examination that consists of five
questions . Each question has four possible answers.
George guesses at every answer.
What is the probability that he can only answer three questions or less?
Procedure
1
m
STAT2
2
5
(DIST)
f
(Binmal)
c
(C.D)
3
2
(VAR)
c
d
w
f
w
.cf
w
1
(None)
c
4
1
(CALC)
Result Screen
Result : p = 0.984
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