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blsea [12.9K]
3 years ago
14

An exam consists of 15 true-or-false questions. If a student guesses at every answer, what is the probability that he or she wil

l answer exactly 9 questions correctly? (Round your answer to three decimal places.).
Mathematics
1 answer:
Bas_tet [7]3 years ago
4 0
<span>C(15,9) * (1/2)^9 * (1/2)^6 = 5005/32768 = .153 approx</span>
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Answer:

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bezimeni [28]

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<h3>Function and values</h3>

Functions are equation expressed in terms of variables. Given the expression below;

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