Question

Using  = 0.04, a confidence interval for a population proportion is determined to be 0.65 to 0.75....

Using  = 0.04, a confidence interval for a population proportion is determined to be 0.65 to 0.75. If the confidence coefficient is increased, the interval for the population proportion

A.

will have higher degrees of freedom

B.

will have a smaller margin of error

C.

becomes more precise

D.

becomes less precise

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