The Combined Paternity Index (CPI) serves as the basis for determining the percentage probability of paternity. Suppose we have the following PI values
Gene 1: 5.34
Gene 2: 4.21
Gene 3: 2.13
Gene 4: 3.54
Which of the following gives the correct CPI value?

• A. 15.22
• B. 40.21
• C. 312.45
• D. 169.51

Answer: (D)