variable

factor

fuzzy set of evaluation V = {v1, v2, v3}

v1

normally = H

v2

very = H2

v3

a little = H1/2

u1

trucking

in time = H = 0.9

very in time = H2 = 0.81

a little in time = H1/2 = 0.95

u2

customs brokerage

smoothly = H = 0.9

very smoothly = H2 = 0.81

a little smoothly = H1/2 = 0.95

u3

flight transportation

on time = H = 0.9

very on time = H2 = 0.81

a little on time = H1/2 = 0.95

range of possibility

[0, 0.9]

[0, 0.81]

[0, 0.95]