Mathematics, 11.06.2021 14:00 10mrodmg
Flip a coin thrice (3 times), and let X and Y denote the number of heads in the first two flips, and in the last two flips,
respectively. For example, if the coins turn up h, ht then X = 2 and Y = 1, while if they turn up tth then X = 0 and Y =1.
Find:
• Cov(X, Y).
• PxY
Answers: 2
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