Question: A random sample of 144 observations produced a sample proportion of 0.25. An approximate 95% confidence interval for the population proportion p is between a)

A random sample of 144 observations produced a sample proportion of 0.25. An approximate 95% confidence interval for the population proportionpis between

a)0.191 and 0.309

b)0.179 and 0.321

c)0.168 and 0.332

d)0.179 and 0.309

e)0.214 and 0.286

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