This Question: b pis For each test in parts a and b below, state whether a one-proportion z-test or a two-proportion z-test would be appropriate and give the null and alternative hypotheses for the appropriate test. a. You test a person to see whether he can tell tap water from bottled water. You give him 20 sips selected randomly (half from tap water and half from bottled water) and record the proportion he gets correct to test the hypothesis. State whether a one-proportion z-test or a two-proportion z-test would be appropriate. Choose the correct answer below. One-proportion z-test O Two-proportion z-test Determine the correct hypotheses to test. Choose the correct answer below. O A. Ho: P= 0.5 HA: P > 0.5 O B. Ho: P= 0.5 HA : P 0.5 HA: P = 0.5 O D. Ho: P= 0.5 HA: P # 0.5 b. You test students at your university who stand on one foot with their eyes closed and determine who can stand for at least 10 seconds, comparing athletes and nonathletes. State whether a one-proportion z-test or a two-proportion z-test would be appropriate. Choose the correct answer below. Two-proportion z-test