Mathematics

Grace Dennis

4 July, 01:37

If 20% of all manually filed returns contain errors, and 0.05% of all electronically filed returns contain errors, how much more likely is a manual filer to make an error than an electronic filer?

a.

40,000 times more likely

b.

4,000 times more likely

c.

400 times more likely

d.

40 times more likely