See attached file.
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?© BrainMass Inc. brainmass.com June 3, 2020, 11:59 pm ad1c9bdddf
Please see the attachment.
Applied managerial statistics
The length of time to do a cable installation by a cable company is normally distributed with a mean ...
The solution provides step-by-step method for the calculation of probability from probability distribution table. Formula for the calculation and Interpretations of the results are also included.