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Please explain the questions below: '1) How do you determine whether to use the z ort distribution in 0' S computing the margin of error,

Please explain the questions below:

'1) How do you determine whether to use the z ort distribution in 0' S computing the margin of error, E = 20: or E = to: 3x5 EVE 2) Suppose a confidence interval is 9.65

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