A politician claims that at least 68% of voters support a decrease in taxes. A group of researchers are trying to show that this is not the case. Identify the researchers' null hypothesis, Ho, and the alternative hypothesis, Ha, in terms of the parameter p Select the correct answer below: O Ho:p s 0.68; Ha: p 0.68 O Ho:p < 0.68; Ha: p 2 0.68 O Ho:p>0.68; H:p s0.68 O Ho: p 2 0.68; Ha: p < 0.68

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