A small startup company wishes to know how many hours, per week, that its employees spend commuting to and from work. Their responses are summarized in the relative frequency table below. What is the cumulative relative frequency of customers who commute 12 hours or fewer? Provide your answer below: Hours Commuting Relative Frequency Cumulative Relative Frequency 1-6 0.20 0.20 7-12 0.25 13-18 0.35 0.80 19-24 0.20 1.00