Question

The time taken by a team to complete the assembly of an electrical component is found to be
normally distributed, about a mean of 110 minutes, and with a standard deviation of 10
minutes. (a) Out of a group of 20 teams, how many will complete the assembly:
(i) within 95 minutes.(ii) in more than 2 hours.
(b) If the management decides to set a ‘cut off’ time such that 95% of the teams will have
completed the assembly on time, what time limit should be set?

Answer 1

I don't know what is your question