Mathematics, 27.01.2021 01:00 exiZT7535

During a series of 100-meter races, the times of the runners are normally distributed with a mean of 12.5 seconds and a standard deviation of 0.3 seconds. Find the percent of runners that have a time between 11.6 seconds and 12.8 seconds. Explain how you got your answer. part 2. Find the probability that a randomly selected runner has a time greater than 12.8 seconds and less than 13.4 seconds

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