Question

A manager of a retail store that employees 80 workers tracked the number of times each employee was late to work during a 1-month period. The results are summarized in the table below.
Days Late 0 1 2 3 4 5 6
Number of Employees 47 13 8 6 4 1 1
Find the expected number of days an employee will be late in a 1-month period.