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

question 128

Essay

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} Compute the covariance between X and Y.

---

Definitions:

Modified Leaf

A leaf that has evolved to serve functions other than photosynthesis, such as protection, support, storage, or reproduction (e.g., thorns, tendrils, and spathes).

Tendrils

Thin, spirally coiling stems or leaf structures that help a plant to attach to and climb on objects.

Leaf Structure

The configuration and arrangement of tissues in a leaf, which facilitates processes such as photosynthesis, gas exchange, and transpiration.

Photosynthesis

A biochemical process where green plants and select organisms convert sunlight into sustenance using carbon dioxide and water, releasing oxygen as a secondary outcome.