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A university in 1985, a proportion of .47 of sociology majors were women. You assess the gender composition of a random sample of 187 sociology majors at the same university today and discover 105 females. Test a hypothesis to see if this proportion has changed since 1985. I have the standard error and a t-score of 1.660. I need the test effect, test statistic and p-values.

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Statistics and Probability, Statistics

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