D Question 14 2 pts The average athlete is able to begin activity 90 days after having a knee operation. The standard deviation is 20 days. What is the probability that an athlete will be able to participate in roughly 57 days? Selected z-table Cumulative N Percent -2.00 2.3% -1.64 5.1% -1.33 9.2% -1.00 15.9% -0.47 31.9% 0.00 50.0% 0.47 68.1% 1.00 84.1% 1.33 90.8% 1.65 95.1% 2.00 97.7% 0 50% O 16% O 5% 68%