question on probability
Submitted by vijayavadrevu on Wed, 04/24/2013 - 18:02
Forums:
Regression testing has optimistic estimate of 6days, pessimistic estimate of 36 days, and most likely of 21 days. Calculate probability that regression testing to be completed in 2 - 3 weeks
A)0.526
B)0.998
c)0.682
D)0.956
Answer is given as C
Can some one explain?
