Amarket researcher employed by a company selected 19 member sample from a given population for a telephone interview to determine the effectiveness of a question1 a market researcher employed by a company selected 19 member sample from a given population for a telephone interview to determine the effectiveness of a new device for testing a new high blood pressure developed the company. he summarized his results as follows: results number completed ineligible respondent wrong target busy 2 2 disconnected 2 terminate 1 calculate the response rate for this telephone survey using the casro formula available in the textbook. show all steps