Alana and Eva are sisters. Let X denote the number of birds that Alana may have in
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Question:
Alana and Eva are sisters. Let X denote the number of birds that Alana may have in the next two years, and let Y denote the number of birds Eva may have during the same period.
Themarginal probability distributionsof X and Y are shown below.
X | 1 | 2 | 3 | Y | 1 | 2 | 3 |
P(X) | 0.5 | 0.3 | 0.2 | P(Y) | 0.3 | 0.6 | 0.1 |
Assume that X and Y are independent. What is P(X=1,Y=2)?
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