What the hypotheses for the appropriate test of significance

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Problem 1: Shortly after the introduction of the euro coin in Belgium, newspapers around the world published articles claiming the coin was biased. A hypothesis test is to be conducted to determine if the euro coin really is unfair. Let p denote the true proportion of all flips of the coin that would result in heads (so p-hat is the proportion of heads in the sample). The hypotheses for the appropriate test of significance are:

a. Ho: p-hat = 0.5 vs. Ha: p-hat ≠ 0.5
b. Ho: p = 0.5 vs. Ho: p > 0.5
c. Ho: p = 0.5 vs. Ha: p ≠ 0.5
d. Ho: p = p-hat vs. Ha: p ≠ p-hat
e. Ho: p-hat = 0.5 vs. Ha: p-hat > 0.5

Reference no: EM132894228

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