Question

one question on a social studies multiple choice test has four possible answers.marianne is sure two of them are incorrect. how likely is she to choose the correct answer

Answer 1

There are 4 possible answer. Marianne knows that two of them are incorrect.

4 - 2 = 2

that means that there are 2 possible answers.

1 of those 2 is the answer

1/2 is her chance of getting it correct

1/2 or 50% is your answer

hope this helps