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ISTQB-Foundation -chapter4-question14

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4.2 Black-box Test Techniques

FL-4.2.3 (K3) Use decision table testing to derive test cases

        2. The following decision table contains the rules for determining the risk of atherosclerosis

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?

a) 40% 

b) 60%  

c)  80%     

d) 100% 

Answer Explanation