Mathematics, 08.05.2021 03:20 vrw28
When John runs the 400 meter dash, his finishing times are normally distributed with a mean of 71 seconds and a standard deviation of 2.5 seconds. If John were to run 33 practice trials of the 400 meter dash, how many of those trials would be slower than 67 seconds, to the nearest whole number?
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When John runs the 400 meter dash, his finishing times are normally distributed with a mean of 71 se...
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