2804Civil EngineeringMedium
If the expected time of completion of a project is 60 weeks with a standard deviation of 5 weeks, the probability of completing the project in 50 weeks and 65 weeks respectively will be________?
A97.7 % and 15.9%
B2.3% and 84.1%
C97.7% and 84.1%
D15.9% and 97.7%
Correct answer
B. 2.3% and 84.1%
Explanation
The correct answer is 2.3% and 84.1%.