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 18 heads in 20 tosses. Which of the following is correct? There is not sufficient evidence to support the claim because there are substantially more heads than tails. There does appear to be sufficient evidence to support the claim because there are substantially more heads than tails. There does appear to be sufficient evidence to support the claim because there are not substantially more heads than tails. There is not sufficient evidence to support the claim because there are not substantially more heads than tails.

Explanation / Answer

Solution:

The option B is correct

Explanation:

A coin favours heads when tossed , and there are 18 heads in 20 tosses

Null hypothesis H0: p<= 0.5
ALtrenative hypothesis , H1: p>0.5

When determing 18 heads in 20 tosses is not likely to occur by chance, thus we support the claim that the coin favours heads

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