The following decision table contains the rules for determining the risk of atherosclerosis. Rule 1 Rule 2 Rule 3 Rule 4 Rule 5 Conditions Cholesterol (mg/dl) 125 – 125 – ≤124 ≤ 124 ≥ 201 200 200 Blood pressure (mm ≤ 140 > 140 ≤ 140 > 140 – Hg) Action Risk level very low low medium high very high You designed the test cases with the following test input data: TC1: Cholesterol = 125 mg/dl Blood pressure = 141 mm Hg TC2: Cholesterol = 200 mg/dl Blood pressure = 201 mm Hg TC3: Cholesterol = 124 mg/dl Blood pressure = 201 mm Hg TC4: Cholesterol = 109 mg/dl Blood pressure = 200 mm Hg TC5: Cholesterol = 201 mg/dl Blood pressure = 140 mm Hg What is the decision table coverage achieved by these test cases?

問題 326 illustration 1
Rule 1Rule 2Rule 3Rule 4Rule 5
Conditions
Cholesterol (mg/dl)≤124≤ 124125 – 200125 – 200≥ 201
Blood pressure (mm Hg)≤ 140> 140≤ 140> 140
Action
Risk levelvery lowlowmediumhighvery high

選択肢

A.40%
B.60%
C.80%
D.100%

正解

B: 60%

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