Consider the following decision table in which w, x, y, and z are decision alternatives and A and B are the two possible states of nature, with probabilities 0.40 and 0.60. 
The expected value for decision w is__________
Definitions:
Sensory Memory
The shortest-term element of memory, it is the ability to retain impressions of sensory information after the original stimuli have ended.
Encoding
The initial process of converting information into a form that can be stored and recalled later from memory.
Memory
The faculty by which the mind stores and remembers information.
Consolidation
The process by which memories become stable in the brain after their initial acquisition, often occurring during sleep.
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