Complete the cumulative frequency distribution below. (Simplify your answers.) Part 2Part 3Part 4Part 5Part 6Part 7Part 8Part 9 CFO Salary (thousands of dollars) Cumulative Frequency 134 and under 143 2 143 and under 152 7 152 and under 161 10 161 and under 170 13 170 and under 179 15 179 and under 188 16 188 and under 197 19 197 and under 206 23 206 and under 215 24 Part 10 b. Determine the proportion of CFO salaries that are at least $179,000. enter your response here (Round to four decimal places as needed.)