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OpenStudy (anonymous):
13. A true or false test has 8 questions. What is the probability of guessing the correct answers to all the questions? A. 1/10 B. 1/16 C. 1/64 D. 1/256
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OpenStudy (kropot72):
The probability of guessing a correct answer is 1/2. The probability of correctly guessing the answers to 8 questions is given by: \[P(all\ 8\ correct)=(\frac{1}{2})^{8}=you\ can\ calculate\]
OpenStudy (anonymous):
CX thanks
OpenStudy (kropot72):
You're welcome :)
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