A man speaks the truth 4 out of 5 times. He tosses a coin and reports it is a Head. The probability that it is actually a Head is: A. 1/2 B. 4/5 C. 1/5 D. 3/5 Answer: B) 4/5 Explanation: P(Actual Head | Reports Head) = (1/2 × 4/5) / [(1/2 × 4/5) + (1/2 × 1/5)] = (4/10) / (5/10) = 4/5.

imo class 12 probability

A man speaks the truth 4 out of 5 times. He tosses a coin and reports it is a Head. The probability that it is actually a Head is:

VAVidaara Admin Asked 6d ago 0 views 0 answers

A man speaks the truth 4 out of 5 times. He tosses a coin and reports it is a Head. The probability that it is actually a Head is:

Answer: B) 4/5

Explanation: P(Actual Head | Reports Head) = (1/2 × 4/5) / [(1/2 × 4/5) + (1/2 × 1/5)] = (4/10) / (5/10) = 4/5.

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