2. Set up the null (and alternate) hypothesis for the following statements. Remember to draw the appropriate curves showing the "reject" and "fail to reject" regions. (3pts each.) a. Nathan found that the mean annual income for students that didn't take Prof. Yankey for "stats" is markedly reduced than the mean annual income of students that take Prof. Yankey's class. b. The variance of the number of children that get malaria from using untreated bed nets exceeds the variance of the number of children that got malaria when using treated bed nets. c. According to Emma, the proportion of students that survive statistics the first time is at least 65%, after using "Kofi Notes". d. It is known that the standard deviation of the amount of beer, inreach can of Kai-Bheer, is 0.014 square ounces