Here is a histogram showing the times taken to complete a task. Times taken to complete a task 40- Estimate the percentage of 35- people who took less than 30- 40 seconds to complete the task. 25- Give your answer to 1 decimal place. 20- Frequency Density 15- 10- 5- 0+ 05 5 10 15 20 25 30 35 40 45 50 Time (seconds)