Probability: Length of time to complete a cable installation
October 6th, 2022
See attached file.
Q5
The length of time to do a cable installation by a cable company is normally distributed with a mean of 43.2 minutes and a standard deviation of 5.5 minutes. Refer to the megastat output ub Table 5B attached.
a) If the cable company wants to establish a standard cable installation appointment time to ensure that all work would be done during appointment 80% of the time, how long would you recommend the standard cable installation time be?