Two runners, William and Kelly, want to find out who has the faster time when compared to each of their teams. William has a time of 17 minutes 30 seconds, and his team has a mean time of 20 minutes 15 seconds and a standard deviation of 1 minutes 15 seconds. Kelly has a time of 16 minutes 45 seconds, and her team has a mean of 18 minutes 45 seconds and a standard deviation of 15 seconds. Who has the faster time when compared to each of their teams?
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