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I am so lost. s of birds has an average weight of 3.05 grams. Based on previous studies, we can assume that the weights of

I am so lost.

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s of birds has an average weight of 3.05 grams. Based on previous studies, we can assume that the weights of population of these birds have a normal distribution with standard deviation of 0.24 grams. Find the margin of error for a 70% condence interval for the average weight of the population of these birds. A sample of 13 of certain specie

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