You notice in a test you ge 1 out of the first twelve questions incorrect.
based on this info, how many questions would you expect incorrect if the test totalled 180 questions?

Question

You notice in a test you ge 1 out of the first twelve questions incorrect.
based on this info, how many questions would you expect incorrect if the test totalled 180 questions?

lgbasallote · Answer

i believe you can use ratio and proportion

your ratio of incorrect to total questions is 1 : 12

therefore apply this in proportion

1 : 12 = x : 180

got it?

lgbasallote · Answer

are you there @Jordanas_Grace ??

anonymous · Answer

yeah i think i got it

lgbasallote · Answer

great!! ^_^

anonymous · Answer

If 1 out of 12 is Incorrect, then

Total Incorrect = 180/12 = 15 is the answer...