Question: Please answer the confidence Interval Question attached. Show working. QUESTION 1 An investigator wishes to estimate the mean weight of all the hermit crabs on

Please answer the confidence Interval Question attached. Show working.

QUESTION 1 An investigator wishes to estimate the mean weight of all the hermit crabs on Wake Island. He collects a random sample of 36 crabs and nds that have a mean weight of 55 grams with an estimated population standard deviation based on sample data ('3') of 15 grams. Construct a 99% condence interval for the population's mean weight of crabs

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