b. 1 Points] DETAILS A county commissioner must vote on a resolution that would commit substantial resources to the construction of a sewer in an outlying residential area. Her fiscal decisions have been criticized in the past, so she decides to take a survey of residents in her district to find out whether they favor spending money for a sewer system. She will vote to appropriate funds only if she can be reasonably sure that a majority of the people in her district favor the measure. What hypotheses should she test? O Ho: p = 0.5 versus Hai p 0.5 Ho: p = 0.5 versus Ha: p 0.5