Situations

Expert opinion

Drilling results

Initial score (a)

Pass rate

(p = approved number/headcount)

Final score

a/(p/(2/3) * 0.8)

Final interval

1

agreed

yes

100

100%

83

83 - 100

2

agreed

no

55

100%

66

55 - 66

3

disagreed

no

80

95%

91

80 - 91

4

disagreed

yes

20

95%

18

18 - 20