The null and alternative hypotheses are given. Determine whether the hypothesis test is lefttailed, right-tailed, or two-tailed and the parameter that is being tested. H 0 : = 9.4 H1 : < 9.4 x a) Left-tailed, b) c) d) Two-tailed, Right-tailed, x Two-tailed, e) None of these If we reject a false null hypothesis we have a) Made a correct decision. b) Made a Type II error. c) Made a Type I error. d) Not specified a level of significance. e) None of these