Number of Birds
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.The marginal probability distributions of X and Y are shown below.
-{Number of Birds Narrative} Verify that V(X + Y)= V(X)+ V(Y).Did you expect this result? Why?

Question

Number of Birds
 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.The marginal probability distributions of X and Y are shown below.  ​ ​
-{Number of Birds Narrative} Verify that V(X + Y)= V(X)+ V(Y).Did you expect this result? Why?

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The Answer of Number of Birds
 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.The marginal probability distributions of X and Y are shown below.  ​ ​
-{Number of Birds Narrative} Verify that V(X + Y)= V(X)+ V(Y).Did you expect this result? Why?

Number of Birds Alana and Eva Are Sisters.Let X Denote the Number