7-20. To be effective, multiple media should be chosen and integrated carefully. Individuals exposed to advertisements in combinations of media selected from television, radio, magazines, newspapers, and outdoor are more inclined to process the information than when a message appears in only a solitary medium. For each of the media, what is the probability of you being exposed to an advertisement? The percentages should add up to 100 percent. Which media are most effective in reaching you? Explain why.