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In a study of sodium intake: a sample of US residents was found to have a mean daily sodium intake of 3:?75 mg. Suppose that

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In a study of sodium intake: a sample of US residents was found to have a mean daily sodium intake of 3:?75 mg. Suppose that this result was based on a sample of size 106 and that the sample standard deviation is 1:130 mg. Determine the 9?% confidence intenral for the true mean of daily sodium intake. (3536.821, 4,013.179) E3,533.54,4;U16_46) (3536.921, 4,0!13279) "'22- E3,533.64,4:U1_56)

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