Question

The math test has 10 multiple choice questions, each with 3 answers. If Betty guesses correctly on the first 3 questions, what is the probability that she will guess correctly on the fourth question?

Answer 1

I would say that Betty will have a probability to guess 1/3 on the fourth question due to the test only having 10 multiple choice questions with three answers. 

Answer 2

Answer: $\dfrac{1}{3}$

Step-by-step explanation:

Given: The number of multiple choices to each question = 3

We know  that in multiple choice question there is only one answer is correct .

Then the probability that she will guess correctly on any question is given by :-

$=\dfrac{\text{Correct choice}}{\text{Total choices}}\\\\=\dfrac{1}{3}$

Hence, the  the probability that she will guess correctly on the fourth question = $\dfrac{1}{3}$