Make a decision about the given claim. Do not use any formal procedures and exac

Question

Make a decision about the given claim. Do not use any formal procedures and exact calculations. Use only the rare event rule. Claim: A coin favors heads when tossed, and there are 19 heads in 20 tosses. Which of the following is correct? A. There does appear to be sufficient evidence to support the claim because there are not substantially mere heads than tails. B. There does appear to be sufficient evidence to support the claim because there are substantially more heads than tails. C. There is not sufficient evidence to support the claim because there are not substantially more heads than tails. D. There is not sufficient evidence to support the claim because there are substantially more heads than tails.

Explanation / Answer

OPTION B is right

A coin is tossed probability of head is1/2 = 0.5;

given that out of 20 tosses 19 are head

probability of head is 19/20 = 0.95

There is sufficient evidence to claim more heads than tosses

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