A company is studying the number of monthly absences among its 125 employees. The following probability distribution shows the likelihood that people were absent 0, 3, 4, 6, 8, or 11 days last month. Number of days absent Probability 0 0.51 3 0.24 4 0.13 6 0.06 8 0.06 11 0 What is the variance of the number of days absent? 2.96 5.91 11.83 4.91