Question 1: Use the following options for the Null hypothesis and Alternative hypothesis

You are conducting a study to determine whether rats who are exposed to alcohol have lower brain densities 6 months later than control rats who aren't exposed to alcohol. What are the null and alternative hypotheses for a 1-tailed test? (Note: u is the population mean brain density 6 months after the treatment) Null Hypothesis [ Choose ] v [ Choose ] Halcohol # ucontrol Alternative Hypothesis Halcohol = ucontrol ualcohol > ucontrol ualcohol ucontrol ualcohol s ucontrol Halcohol ucontrol