Consider two rolls of a fair six-sided dice. let x be the result of the first roll
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Question:
Consider two rolls of a fair six-sided dice. let x be the result of the first roll and y the result of the second roll and z be the sum of the two rolls
a) Which pairs of variables if any are positively correlated?
b) Which pairs of variables if any are uncorrelated?
c) Which pairs of variables if any are negatively correlated?
d) Which pair of variables if any are independent
e) Let W=X-Y, how are W and Z correlated? Are they independent? Justify your answer?
Related Book For
Introduction to Probability
ISBN: 978-0716771098
1st edition
Authors: Mark Daniel Ward, Ellen Gundlach
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