The discrete random variable X is the number of passengers waiting at a bus stop.The table below shows the probability distribution for X.What is the expected value E(X) for this distribution? 
Definitions:
Alzheimer's Disease
A progressive neurological disorder that causes memory loss, cognitive decline, and ultimately the inability to carry out simple tasks.
Treatment
The process of providing medical care to alleviate or cure a disease, disorder, or injury.
Alzheimer's Disease
A progressive neurodegenerative disorder that causes memory loss, impaired reasoning, and changes in personality and behavior, ultimately leading to death.
Pick's Disease
A rare form of dementia that involves progressive degeneration of brain cells, particularly in the frontal and temporal lobes, affecting behavior, language, and emotional stability.
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