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22. Roberto finishes a triathlon (750 meter swim, 5 kilometer run, and 20 kilometer bicycle) in 63.2 minutes. Among all men who race, the average time was u = 68.2 minutes with a standard deviation of o = 8.9 minutes. Zandra finishes the same triathlon in 79.3 minutes. For all women who race, the average time was u = 84.7 minutes with a standard deviation of o = 7.4 minutes. a. What is the z-score for Roberto's triathlon time? (2 pts) b. What is the z-score for Zandra's triathlon time? (2 pts) c. What information do the z-scores give that the raw triathlon times do not? (1.5 pts) i. The z-scores show that the Roberto performed better Zandra relative to his peers. ii. The z-scores indicate that Zandra performed better than Roberto relative to her peers. iii. The z-scores do not give us any additional information since Roberto and Zandra are competing against different people. iv. The z-scores show that both Roberto and Zandra were slower than average