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19. Suppose 3 marbles are drawn without replacement from a bag containing 3 yellow and 4 white marbles. (a) Draw a histogram for the number of yellow marbles in the sample. (b) What is the expected number of yellow marbles in the sample?

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Omoteshosegun

Answer:

(a) see attachment

(b) E(x) = 226/105

Step-by-step explanation: see attachment

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