Teams of students compete in a robotics contest. The times

Last updated: 7/20/2022

Teams of students compete in a robotics contest. The times for the robots to complete an obstacle course are normally distributed. The mean time for completion is 60 seconds, and the standard deviation is 4 seconds. Approximately what percentage of the robots will complete the course in 56 to 64 seconds? A. 68% B. 60% C.50% D 8%