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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 15 random times during the week and ordered a large pepperoni pizza. Here are the number of pepperonis on each pizza. The 90% confidence interval for the mean number of pepperonis on a large pizza at this restaurant is (34, 45).
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? Select all true statements.
-They may not want to increase the sample size because that would be expensive.
-They may not want to decrease the confidence level because that would be expensive.
-They may not want to increase the sample size because they may not want to eat that much pizza.
-They may not want to decrease the confidence level because it is desirable to have a high degree of confidence that the population parameter has been captured by the interval.
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