You are studying the ability of Drug X to increase weight loss. What would be a good example of a null hypothesis for this study? A. There will be statistically significant weight loss when subjects take Drug X but not when subjects take a placebo. B. There will be no difference in weight loss when subjects take Drug X and subjects take a placebo. C. Drug X will cause twice the amount of weight loss as the placebo. D. Drug X will cause statistically significant weight gain