The following cumulative relative frequency table shows the amount of federal tax paid by a sample of 200 small businesses in a fiscal year Cumulative Tax Paid 15 000 to under 20 000 20 000 to under 25 000 25 000 to under 30 000 30 000 to under 35 000 35 000 to under 40 000 40 000 to under 45 000 Download CSV Relative Frequency 8 0 21 0 37 5 56 0 79 0 100 0 1 What percent of the businesses paid at least 35 000 56 0 x 2 What is the relative frequency percent of the 30 000 to under 35 000 class 122 5 x 3 How many of the businesses paid less than 20 000 8 X 4 How many businesses paid at least 25 000 but less than 40 000 172 5 X