Question: 53. Consider the following four intervals based on the data of Example 12.4 (Section 12.2): a. A 95% CI for mean porosity when unit weight

53. Consider the following four intervals based on the data of Example 12.4 (Section 12.2):

a. A 95% CI for mean porosity when unit weight is 110

b. A 95% PI for porosity when unit weight is 110

c. A 95% CI for mean porosity when unit weight is 115

d. A 95% PI for porosity when unit weight is 115 Without computing any of these intervals, what can be said about their widths relative to one another?

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