True or false: as the number of communication media has increased, the task of understanding how best to reach target customers has become easier.

That statement is false

Explanation:

Before the development in different varieties of media, the marketing team only need to analyze the behavior of each group segmentation in small number of media (back then it's only tv, newspaper, and radio).

After the number of communication media increased, the marketing team need to do more extensive research their target customer's behavior when using different varieties of media. This make their job become a lot harder with higher rate of error.

the answer is d.index