Mathematics, 31.01.2020 06:50, cganderson04

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...