b. The table below shows the probability distribution of the number of stores visited per customer per single visit to the mall. Assume that a customer can visit at most four stores per single visit to the mall. Number of stores visited Probability P(x) xP(x) (x-μ)²p(x) per customer per single visit (x) 0 0.04 1 0.41 2 0.40 3 0.09 4 0.06 i. Using the table above, compute the expected number of stores visited per customer per single visit to the mall for the above distribution.

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