I1 Fish in the pond have a total length of 264.2 ± 17.8 mm. We catch 12 fish and generate some descriptive statistics for our sample: the fish are 121.9–393.2 (260.5 ± 35.9, n = 12) mm in total length.   (a) What is the probability of getting an average total length of 260.5 or less in a sample of 12 fish? (b) The next day, I catch a really big fish that is 308.9 mm total length. What is the probability of catching a fish this big or bigger in the pond?

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