This test: 26 point(s) possible Question 5 of 11 Submit test This question: 2 point(s) possible by 11:59 p.m. One year Hank had the lowest ERA (earned-run average, mean number of runs yielded per nine innings pitched) of any male pitcher at his school, with an ERA of 2.72. Also, Tammy had the lowest ERA of any female pitcher at the school with an ERA of 2.91. For the males, the mean ERA was 4.779 and the standard deviation was 0.631. For the females, the mean ERA was 5.056 and the standard deviation was 0.735. Find their respective z-scores. Which player had the better year relative to their peers, Hank or Tammy? (Note: In general, the lower the ERA, the better the pitcher.) Hank had an ERA with a z-score of Tammy had an ERA with a z-score of (Round to two decimal places as needed.) Which player had a better year in comparison with their peers? O A. Tammy had a better year because of a lower z-score. O B. Hank had a better year because of a higher z-score. O C. Hank had a better year because of a lower z-score. O D. Tammy had a better year because of a higher z-score