Final answer:
Kurt Warner's completion percentage for the 2009 regular season is calculated by dividing the number of completions (339) by the total attempts (513) and multiplying by 100. The result is approximately 66.1%, making option (ii) the correct answer.
Step-by-step explanation:
To calculate Kurt Warner's completion percentage for the 2009 regular season, we divide the number of completed passes by the total number of passing attempts and then multiply the result by 100 to convert it to a percentage.
The formula for completion percentage is: (completed passes / passing attempts) * 100
Step 1: Plug in the numbers: (339 / 513) * 100
Step 2: Calculate the division: 339 / 513 = approximately 0.660814
Step 3: Convert to percentage: 0.660814 * 100 ≈ 66.1%
Therefore, the completion percentage for Kurt Warner in the 2009 regular season is 66.1%, which corresponds to option (ii).