please explain why the correct answer is 0.064

i did 8+5+10+7+3 =33

and 140+110+99+136+45 =530

33/530= 0.062

but the answer should be 0.064

SOM306 assessment committee wishes to establish a quality control chart for student learnings on the topic of project management. The committee collected data from five sections of SOM306 and identified the number of students who got all the answers wrong on the exam related to project management. The following table lists the data details. Section Section Section Section Section 1 2 3 4 5 8 5 10 7 3 # of students identified Total # of students in each section 140 110 99 136 45 What is the p-bar value in this assessment study? Numbers only. Keep 3-decimal if not exact, either round up or down is ok. nswered 0.062 Et Answer 0.064 margin of error +/- 0.001