SOLUTION: a teacher gives twelve questions on a quiz. The first two are true/false and the next 10 are A-D multiple choir. what is the probability a student answers all twelve wrong.

Question 712209: a teacher gives twelve questions on a quiz. The first two are true/false and the next 10 are A-D multiple choir. what is the probability a student answers all twelve wrong.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a teacher gives twelve questions on a quiz. The first two are true/false and the next 10 are A-D multiple choir. what is the probability a student answers all twelve wrong.
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# of possible answers: 4*40 = 160
# of wrong answers: 12
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P(all wrong) = 12/160 = 3/40
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Cheers,
Stan H.
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