I need help with the first 3 questions plus writing the null hypothesis in symbols and the numeric value of standard error

3b Hypoth Modules 9 and 10 Questions-Submit answers via email to mecartel @ohio.edu according to above instructions: (There are 40 questions to be answered for Modules 9 and 10) The following 13 questions (Q1 to Q13) are based on the following example: Patients recovering from an appendix operation normally spend an average of 6.3 days in the hospital. The distribution of recovery times is normal with a o = 2.0 days. The hospital is trying a new recovery program designed to lessen the time patients spend in the hospital. The first 16 appendix patients in this new program were released from the hospital in an average of 5.3 days. On the basis of these data, can the hospital conclude that the new program has a significant reduction of recovery time. Test at the .05 level of significance. Q1: The appropriate statistical procedure for this example would be a XS, 3 ( bel A. t-test B. z-test Q2: Is this a one-tailed or a two-tailed test? A one-tailed B. two-tailed me appendix patients Q3: The most appropriate null hypothesis (in words) would be