Mathematics, 19.02.2021 18:30 dsaefong00

For the 1,000-meter running event, Abby's mean time is 4.5 minutes with a standard deviation of 0.75 minutes. For the 800-meter event, Abby's mean time is 3.2 minutes with a standard deviation of 0.4 minutes. In the last track meet, Abby ran the 1,000-meter race in 4.1 minutes and the 800-meter race in 3 minutes. In which event did Abby have a better performance?

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For the 1,000-meter running event, Abby's mean time is 4.5 minutes with a standard deviation of 0.75...