Melissa and Madeline love pepperoni pizza, but sometimes they are disappointed with the small number of pepperonis on their pizza. To investigate, they went to their favorite pizza restaurant at 10 random times during the week and ordered a large pepperoni pizza. Here are the number of pepperonis on each pizza. The 95% confidence interval for the mean number of pepperonis on a large pizza at this restaurant is (31.919, 42.881). To reduce the margin of error, Melissa and Madeline could increase the sample size or decrease the confidence level. What are the drawbacks to these changes