SOLUTION: 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

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Question 1184773: 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 63.5 with a standard deviation of 7.2. Assume that the distribution is approximately normal.
Find the probability that an elite athlete has a maximum oxygen uptake of at least 70.7 ml/kg.

Find the probability that an elite athlete has a maximum oxygen uptake of at most 50.54 ml/kg.

Find the probability that an elite athlete has a maximum oxygen uptake of 50.54 ml/kg.
Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
The third is probability 0. This is a continuous function and the probability of any single exact point is 0.
z=(x-mean)/sd
z > (70.7-63.5)/7.2=1
probability z > 1 is 0.1587
-
z < (50.54-63.5)/7.2
=-12.96/7.2
=-1.8
probability z < -1.8 is 0.0359
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