You may need to vase the appropnate appendir table or technolegy ta arseer this question. (Round your answers to three decimal piaces). (a) Construct a 9546 confidence interval for the the average ape (in vears) of the consumers. yers to vers: (b) Construct an so\% confidence interval for the true average age (in years) of the contumers. vears to vears (c) Discuss why the 95% and 30% confidence intervals are different. As the sample site decreases and all else stars the same, the confidence interval becomes wider: As the conndence level decrtasts and all else scays the same, the canfidence intervat becomes wider. Changing the confidence level or sample size while all else stoys the same shifs the confidence interval left or right As the confidence level decreases and ali else stavs the same, the confidence interval becomes nartower As the sample sute decreases and all else stays the same, the confidence interval becomes narrower