Researchers conduct an online survey of American adults to determine their favorite sport. About 90% of American adults consider themselves sports fans. You believe that professional football will be determined to be the favorite sport for 40% of American adults. Professional football brings in 36% of all annual revenue for ads for televised events. Specify the null and alternative hypothesis for your belief that professional football is the favorite sport of American adults. A. H0: p = .9, Ha: p ≠.9 B. H0: p = .36, Ha: p ≠.36 C. H0: p = .6, Ha: p ≠.6 D. H0: p = .4, Ha: p ≠.4