Below is a hypothesis test set up by a student who recently took introductory statistics: h0: x = 5 ha: x ≠ 5 the sample mean of 100 cases used to implement the hypothesis test is x = 4.2. which of the following statements are accurate? a. this is a one-sided hypothesis test. b. there is an error in how these hypotheses were constructed. c. it would be reasonable to swap "< " for "≠" in the alternative hypothesis. a. i only b. ii only c. iii only d. i and ii e. i and iii f. ii and iii