Mathematics, 08.10.2019 00:40 alexisbcatlett14

the 200-meter race times at a state track meet are normally distributed with a mean of 13.56 seconds and a standard deviation of 2.24 seconds. using the standard normal probabilities table, what is the approximate probability that a runner chosen at random will have a 200-meter time less than 13.5 seconds?

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the 200-meter race times at a state track meet are normally distributed with a mean of 13.56 seconds...