Question 4 of 1 0 Select the correct answer, then click Next to proceed. The placement ofce of a leading business school claims that more than 85% of its students obtain full-time employment within three months of graduation. In conducting a hypothesis test of this assertion, how would the school state its null and alternative hypotheses? 0 Ho: p > 85% and Ha: p s 85% 0 Ho: p 85%