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A true false test has 8 questions. What is the probability of guessing the correct answers to all of the questions?

A true false test has 8 questions. What is the probability of guessing the correct answers to all of the questions?
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A true false test has 8 questions. What is the probability of guessing the correct answers to all of the questions?

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User Kuceram
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8.5k points

1 Answer

5 votes
each individual question has a prob of 1/2 of being correct so its
(1/2)(1/2) .... (1/2) --- (8 times)
= (1/2)^8
= 1/256

so the answer is 1/256
answered
User Offirmo
by
8.4k points
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