Question

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 variance of complaints received per week?

Please round your answer to the nearest hundredth.

Answer 1