The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). The mean maximum oxygen uptake for elite athletes...

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Extracted text: The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). The mean maximum oxygen uptake for elite athletes has been found to be 69 with a standard deviation of 7.4. Assume that the distribution is approximately normal. Find the probability that an elite athlete has a maximum oxygen uptake of at least 84.54 ml/kg. Find the probability that an elite athlete has a maximum oxygen uptake of at most 53.46 ml/kg. Find the probability that an elite athlete has a maximum oxygen uptake of 53.46 ml/kg.