You may need to use the appropriate appendix table or technology to answer this question. The makers of a soft drink want to identify the average age of its consumers. A sample of 56 consumers was taken. The average age in the sample was 22 years with a standard deviation of 5 years. (Round your answers to three decimal places.) (a) Construct a 95% confidence interval for the true average age (in years) of the consumers. 23.511 Incorrect: Your answer is incorrect. years to 23.511 Incorrect: Your answer is incorrect. years (b) Construct an 80% confidence interval for the true average age (in years) of the consumers. 22.867 Incorrect: Your answer is incorrect. years to 22.867 Correct: Your answer is correct. years