Question: Exercise 8.21 (Algo) METHODS AND APPLICATIONS Suppose that we will randomly select a sample of n = 84 elements from a population and that we

Exercise 8.21 (Algo) METHODS AND APPLICATIONS Suppose that we will randomly select a sample of n = 84 elements from a population and that we will compute the sample proportion .57 of these elements that fall into a category of interest. If the true population proportion p equals .9: (a) Describe the shape of the sampling distribution of 13. Why can we validly describe the shape? : The sample large enough. The distribution of (p-hat) I Inormally distributed. (b) Find the mean and the standard deviation of the sampling distribution of i7 . (Round the answers to 2 decimal places.) 0(p-hat)

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