Question

To pass a test with 15 questions how many can I get wrong?

Answer 1

You can get 7 answers wrong.

Step-by-step explanation:

Let's calculate the average

`(15)/(2) \\\\=7.5`

So if you correctly answer 8 -15 (7.5 is approximated to 8 )questions correctly you will pass.

So you can get 7 answers wrong.