Amagazine provided results from a poll of 500 adults who were asked to identify their favorite pie. among the 500 respondents, 12% chose chocolate pie, and the margin of error was given as plus or minus5 percentage points. given specific sample data, which confidence interval is wider: the 90% confidence interval or the 80% confidence interval? why is it wider? choose the correct answer below. a. a 90% confidence interval must be wider than an 80% confidence interval because it contains 90% of the true population parameters, while the 80% confidence interval only contains 80% of the true population parameters. b. an 80% confidence interval must be wider than a 90% confidence interval in order to be more confident that it captures the true value of the population proportion. c. a 90% confidence interval must be wider than an 80% confidence interval in order to be more confident that it captures the true value of the population proportion. d. an 80% confidence interval must be wider than a 90% confidence interval because it contains 100%minus80%equals20% of the true population parameters, while the 90% confidence interval only contains 100%minus90%equals10% of the true population parameters.