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 0.13 0.21 0.44 0.07 0.06 0.09

**What is the probability of between 1 and 2 (inclusive) complaints received per week?**

Please specify your answer in decimal terms and round your answer to the nearest hundredth (e.g., enter 12 percent as 0.12).

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 0.16 0.26 0.35 0.10 0.08 0.05

**What is the median of complaints received per week?**

Please round your answer to the nearest integer.

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 0.20 0.41 0.11 0.06 0.07

**What is the standard deviation of complaints received per week?**

Please round your answer to the nearest hundredth.

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

Note that the correct answer will be evaluated based on the full-precision result you would obtain using Excel.

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