7) A department store manager has monitored the number of complaints received per week about poor service. The probabilities for numbers of complaints in a week, established by this review, are shown in the table. Number of complaints    0    1    2    3    4    5 Probability    0.18    0.26    0.35    0.09    0.07    0.05 What is the variance of complaints received per week? Please round your answer to the nearest hundredth.

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