Question: In the formula for the confidence interval, why do we add and subtract z * s_p-hat from p-hat? Because z * s_p-hat represents the margin

In the formula for the confidence interval, why do we add and subtract z * s_p-hat from p-hat? Because z * s_p-hat represents the margin of error. Because z * s_p-hat represents the degree of confidence. Because p-hat represents the degree of confidence. Because p-hat represents the margin of error

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