Finding of a survey of System magazine subscribers:Thirty percent of all merchandise orders placed by subscribers in response to advertisements in the magazine last year were placed by subscribers under thirty five.
Findings of a survey of advertisers in System magazine: Most of the merchandise orders placed in response to the advertisements Systems last year were placed by people under thirty five.
For both the findings to be accurate, which of the following must be true?
1)Most subscribers to Systems who have never ordered merchandise in response to advertisements in the magazines are under the age of thirty five.
2)Among subscribers to Systems, the proportion who are under thirty five was considerably lower last year than it is now.
3)Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age of thirty five.
4)Last year many people who placed orders for merchandise in response to advertisements in the Systems were not subscribers to the magazine.
Findings of a survey of advertisers in System magazine: Most of the merchandise orders placed in response to the advertisements Systems last year were placed by people under thirty five.
For both the findings to be accurate, which of the following must be true?
1)Most subscribers to Systems who have never ordered merchandise in response to advertisements in the magazines are under the age of thirty five.
2)Among subscribers to Systems, the proportion who are under thirty five was considerably lower last year than it is now.
3)Most merchandise orders placed in response to advertisements in Systems last year were placed by Systems subscribers over age of thirty five.
4)Last year many people who placed orders for merchandise in response to advertisements in the Systems were not subscribers to the magazine.
