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Problem 1. (2 points) Select all assumptions made when conducting a hypothesis test for a proportion. There may be more than one correct answer. A. dependent observations B. must have > 30 observations O C. 10+ observed successes and failures D. equal or constant variance E. observations must be normally distributed F. normally distributed residuals G. no extreme skew or outliers OH. observations should come from a symmetric distribution 1. linearity O J. heteroskedasticity OK. 10+ expected successes and failures L. independence (sample size