The retirement age for NFL players follows a normal distributionwith a mean of 33 years and a standard deviation of 2 years. Aplayer gets injured and decided to retire at 28 years old.Approximately what percentage of NFL players retire at a youngerage?

A) 0.62% B) 6.68% C) 13.35% D) 15.15% E) 19,77%

What age would an NFL player be if his retirement age was in thetop 10% for all players? In other words, what age would he be if heplayed longer than 90% of all players?

A) 30.44 years old B) 31.2 years old C) 34.8 years old D) 35.56years old E) 36.29 years old.