User Manual

61
examples
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
dw
fw
.cfw
1(None)c
4 1(CALC)
Result Screen
Result : p = 0.984