When Abdoulaye runs the 400 meter dash, his finishing times are normally distributed with a mean of 82 seconds and a standard deviation of 1 second. What percentage of races will his finishing time be between 81 and 82 seconds, to the nearest tenth?

Respuesta :

Answer:

34.13 %

z(lower) = -1 (.15866)

z(upper) = 0 (.5)

Step-by-step explanation:

Answer: 34.1%

Step-by-step explanation: