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Table 2 Distributions of uncertain variables

From: Pricing Decision in a Two-Echelon Supply Chain with Competing Retailers Under Uncertain Environment

Parameter Distribution Expected value
\(\tilde {c}\) (9, 11) 10
\(\tilde {s}_{1}\) (5, 7) 6
\(\tilde {s}_{2}\) (4, 6) 5
\(\tilde {d}_{1}\) (2900, 3000, 3300) 3050
\(\tilde {d}_{2}\) (2800, 3000, 3100) 2975
\(\tilde {\beta }\) (80, 120) 100
\(\tilde {\gamma }\) (40, 60) 50