The fraction of students in Marci's school involved in a specific activity is 5/9, which is directly stated in the question. Option D) 5/9 is the correct answer.
The fraction of students in Marci's school that participate in a specific activity is given as 5/9. This means that out of every 9 students, 5 are involved in the activity. If we look at the options provided: A) 2/9, B) 3/9, C) 4/9, and D) 5/9, it becomes clear that option D) 5/9 is the correct answer. No additional calculation is needed since the question directly states that 5/9 of the students are participating in the activity.
In conclusion, the fraction of the students in Marci's school participating in the specific activity is 5/9. This figure accurately represents the portion of students involved.