Physics, asked by Anonymous, 10 months ago




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In an examination, 20 questions of true false type are asked. Suppose a student
tosses a fair coin to determine his answer to each question. If the coin falls
heads, he answers 'true', if it falls tails, he answers 'false'. Find the probability
that he answers at least 12 questions correctly.​

Answers

Answered by gdkedar1972
20

Answer:

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Answered by Anonymous
8

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\huge{\underline{\underline{\mathfrak{Question}}}}

In an examination, 20 questions of true false type are asked. Suppose a student

tosses a fair coin to determine his answer to each question. If the coin falls

heads, he answers 'true', if it falls tails, he answers 'false'. Find the probability

that he answers at least 12 questions correctly.

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