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A population consists of N = 4 itemsâtwo of which are considered "successes" (S1 and S2) and two of which are considered "failures" (F1 and F2). A random sample of n = 2 items is selected, without replacement. List the possible samples that can be selected. (Enter your answers as a comma-separated list. Enter your answers in set notation. Enter each answer only once.)

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ecadrobe

Answer:N{:S1S2,F1F2,S1F1,S2F2,S1F2,S2F1,F1S1,F2S2,,F2S1,F1S2}

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