The proportion of elements in a population that possess a certain characteristic is 0.67. The proportion of elements in

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answerhappygod
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The proportion of elements in a population that possess a certain characteristic is 0.67. The proportion of elements in

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The proportion of elements in a population that possess acertain characteristic is 0.67. The proportion of elements inanother population that possess the same characteristic is 0.73. Asample of 200 elements is selected from the first population and asample of 400 elements is selected from the second population. Whatis the standard deviation (or standard error) of the samplingdistribution of the difference between the two sampleproportions?
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