Confidence interval for the proportion
In a survey of 1430 undergraduate students, 1087 reported that they had one or more credit cards. Provide a 95% confidence interval for the proportion of all college students who have at least one credit card.
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Determine the numbers of oxide ions surround each Mg2 + ion as nearest neighbors? MgO has the same cyrstal structure as NaCl, face-centered cubic.
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