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kkpowell
kkpowell
12.04.2021 • 
Mathematics

In state A, 73% of residents watch cooking shows regularly, while only 51% of state B residents watch cooking shows regularly. Let p hat Subscript Upper A and P hat Subscript Upper B be the sample proportions of state A residents and state B residents, respectively, who watch cooking shows regularly. Suppose 119 state A residents and 96 state B residents are selected at random and asked if they watch cooking shows regularly. Which of the following is the correct calculation and interpretation of the standard deviation of the sampling distribution of p hat Subscript Upper A Baseline minus p hat Subscript Upper B ? The difference (state A residents – state B residents) in the sample proportions of those who watch cooking shows regularly typically varies about 0.004 from the true difference in proportions. The difference (state A residents – state B residents) in the sample proportions of those who watch cooking shows regularly typically varies about 0.065 from the true difference in proportions. The difference (state A residents – state B residents) in the sample proportions of those who watch cooking shows regularly typically varies about 0.220 from the true difference in proportions. The difference (state A residents – state B residents) in the sample proportions of those who watch cooking shows regularly typically varies about 0.620 from the true difference in proportions.

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