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    0.15    0.26    0.34    0.06    0.09    0.10 What is the probability of between 2 and 3 (inclusive) complaints received per week?

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