Mathematics, 31.12.2019 01:31 brodybb9350

Let x denote the time it takes to run a road race. suppose x is approximately normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes. if one runner is selected at random, what is the probability that this runner will complete this road race in less than 188 minutes?

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Let x denote the time it takes to run a road race. suppose x is approximately normally distributed w...