Blackjack The probability distribution of a random variable X is shown below,where X represents the amount of money (in $1,000s)gained or lost in a particular game of Blackjack. 
-{Blackjack Narrative} Find the following values and indicate their units.
a.E(X)
b.V(X)
c.Standard deviation of X
Definitions:
Supply Performance Metrics
Key measures used to assess, track, and improve the effectiveness and efficiency of a supply chain.
Organizational Success
The achievement of the goals and objectives set by a business or organization through effective strategies, management, and operations.
Evaluation Methods
Techniques or procedures used to assess the effectiveness, value, or impact of activities, projects, or programs.
Supplier Performance Management
A systematic approach to measuring and evaluating the performance of a supplier's ability to meet predefined quality, delivery, and cost objectives.
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