The expected value for the estimation variable (size), S, can be computed as a weighted average of the optimistic(Sopt), most likely (Sm), and pessimistic (Spess) estimates given as(a) EV = (Sopt + 4Sm + Spess)/4(b) EV = (Sopt + 4Sm + Spess)/6(c) EV = (Sopt + 2Sm + Spess)/6(d) EV = (Sopt + 2Sm + Spess)/4The question was asked by my school teacher while I was bunking the class.My enquiry is from Decomposition Techniques in Software Project Planning in chapter Software Management of Software Engineering

The expected value for the estimation variable (size), S, can be compu

1.	The expected value for the estimation variable (size), S, can be computed as a weighted average of the optimistic(Sopt), most likely (Sm), and pessimistic (Spess) estimates given as(a) EV = (Sopt + 4Sm + Spess)/4(b) EV = (Sopt + 4Sm + Spess)/6(c) EV = (Sopt + 2Sm + Spess)/6(d) EV = (Sopt + 2Sm + Spess)/4The question was asked by my school teacher while I was bunking the class.My enquiry is from Decomposition Techniques in Software Project Planning in chapter Software Management of Software Engineering
Answer» Correct option is (B) EV = (Sopt + 4Sm + Spess)/6 Explanation: This assumes that there is a very small probability that the ACTUAL size result will fall OUTSIDE the optimistic or PESSIMISTIC values.

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