Mathematics, 03.03.2021 18:50 kbell182005
The 400-meter race times at a state track meet are normally distributed with a mean of 52.71 seconds and a standard deviation of 3.8 seconds. Using the Standard Normal Probabilities table, what is the approximate probability that a runner chosen at random will have a 400-meter time less than 53.4 seconds?
0.8186
0.2451
0.4286
0.5714
0.7549
Answers: 1
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