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Rus_ich [418]
3 years ago
5

3. A multiple choice test contains 15 questions. Each question has four options, only one of

Mathematics
1 answer:
Mice21 [21]3 years ago
3 0

Answer:

\frac{5005\times 3^6}{4^{15}}

Step-by-step explanation:

by using binomial property, we get the probability

P=C^{15}_{9}\times \frac{1}{4^9}\times \frac{3^6}{4^6}

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