Suppose you conducted a case-control study to assess whether a positive association exists between syphilis and neurological disorders. Which of the following is an appropriate way to present the hypotheses?     Ho: OR ≠ 1; Ha: OR = 1     Ho: RR ≠ 1; Ha: RR = 1     Ho: OR = 1; Ha: OR > 1     Ho: RR = 1; Ha: RR > 1     Ho: OR = 1; Ha: OR ≠ 1

Q: what would the null hypothesis be if you wanted to test whether a trait segregates in a 9:3:3:1…

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