In: Statistics and Probability
A randomly selected sample of marketing professionals was presented with various scenarios involving ethical issues. One issue was the use of ultraviolet ink on a mail survey promising confidentiality. The ink was used to identify the respondents for the adequate cross-tabulation of the data. Of the 205 marketing researchers surveyed, 117 said they disproved of the action.
1. Compute the 95% confidence interval for the population proportion of disproval of the action? Provide detailed interpretation on the computed C.I.
2. Compute the 99% confidence interval for the population proportion of approval of the action? Provide a detailed interpretation of the computed C.I.