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Human reaction speeds are approximately normal with mean 216.3 milliseconds and standard deviation 40.8 milliseconds. There is a 75% probability that the mean reaction time

Human reaction speeds are approximately normal with mean 216.3 milliseconds and standard deviation 40.8 milliseconds. There is a 75% probability that the mean reaction time of 15 randomly chosen people is greater than what value?

If there are two answers, list both answers separated by a comma.

Make sure to around everything by 3

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