Mathematics, 08.01.2022 02:30, sarahsompayrac
When Jack runs the 400 meter dash, his finishing times are normally distributed with a mean of 65 seconds and a standard deviation of 1 second. If Jack were to run 20 practice trials of the 400 meter dash, how many of those trials would be faster than 66 seconds, to the nearest whole number?
Answers: 3
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When Jack runs the 400 meter dash, his finishing times are normally distributed with a mean of 65 se...
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