The probability of guessing correctly at least 8 out of 10 answers ...

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The probability of guessing correctly at least 8 out of 10 answers on a true-false type examination is
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(A) \( \frac{7}{64} \)
(B) \( \frac{7}{128} \)
(C) \( \frac{45}{1024} \)
(D) \( \frac{7}{41} \)
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