Study the following table and answer the question that follows.  School name     Total number of student enrolled     Percentage of students who opted for statistics   A 450 20 B 200 18 C 500 12 D 400 15 What is the average number of students who opted for other than statistics subject in school A and D?

7340 360 355 350

350

In A & D , Total number of students opted other than statistics = 80% of 450  + 85% of 400 = \(\frac{4}{5}\) × 450 + \(\frac{17}{20}\) × 400 = 360 +  340 =700 Average = \(\frac{700}{2}\)  = 350