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 151 minutes? Round your answer to four decimal places. i

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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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 151 minutes?
Round your answer to four decimal places.
i
Transcribed Image Text: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 151 minutes? Round your answer to four decimal places. i
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