Question: What would the 95% confidence interval be for a sample proportion of 0.45, is the sample proportion was based on a survey of 250 adults?

What would the 95% confidence interval be for a sample proportion of 0.45, is the sample proportion was based on a survey of 250 adults?

a.

(0.40 - 0.50)

b.

(0.30 - 0.60)

c.

(0.42 - 0.48)

d.

(0.39 - 0.51)

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