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A shopping mall estimates the probability distribution of the number of stores mall customers actually enter, as shown in the table. X 0 1 2

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A shopping mall estimates the probability distribution of the number of stores mall customers actually enter, as shown in the table. X 0 1 2 4 5 6 p(x) 04 .19 .22 .28 12 .09 .06 1. Find the mean number of stores entered - 2. Find the standard deviation of the number of stores entered 3. What is the probability that a randomly selected customer will enter fewer than 4 stores

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