Mathematics, 05.05.2020 23:35 paradisetiyae5261

Suppose I have an urn with 9 balls: 4 green, 3 yellow and 2 white ones. I draw a ball from the urn repeatedly with replacement. (a) Suppose I draw n times. Let X, be the number of times I saw a green ball followed by a yellow ball. Calculate the expectation E[X]. (b) Let Y be the number of times I drew a green ball before the first white draw. Calculate E[Y]. Can you give an intuitive explanation for your answer?

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Suppose I have an urn with 9 balls: 4 green, 3 yellow and 2 white ones. I draw a ball from the urn r...

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