Question

The mean demand of surgical units is 300 units per month, the monthly standard deviation is 400
units. A worker performs painting and shaping activities on a unit and takes 30 and 35 minutes
respectively in each task. Dunng the painting activity the performance rating of the worker was
80%, while in shaping it was 120% Determine the standard time it will take to do all the activities
on a job
(A) 65 minutes
(B) 55 Minutes
(C) 66 minutes
(D) 32.5 minutes​

Answer 1

I think 32.5 minutes is the right answer if it is right you make me verify answer

Answer 2

Answer:

55 minute is correct answer