The staff at an aquarium with 500,000 annual visitors wants to know whether there's a difference in the proportion of its patrons who come specifically for workshops and those who come for other reasons. the staff takes a random exit poll of 1,238 visitors, and 751 say they came for workshops. what are the hypotheses for your test? a. h0: p = 0.5 ha: p ≠ 0.5 b. h0: p0 = 0.607 ha: p0 ≠ 0.607 c. h0: p0 = 0.5 ha: p0 ≠ 0.5 d. h0: p0 = 0.393 ha: p0 ≠ 0.393 e. h0: p = 0.607 ha: p ≠ 0.607