Leanna guesses on four multiple choice test questions in a row. If each question has 3 possible answers, what is the probability that Leanna will guess the answer to the 4th question correctly?

Question

anonymous · Answer

Can't Leanna guess the answer of this question?

anonymous · Answer

um this my homework and thats what it said i dont know

anonymous · Answer

Okay, if Leanne can't I will guess the answer for this one $ \large \frac 13  $

anonymous · Answer

It doesn't matter what he/she chose for the first, second and third question. For the fourth one he/she have $\frac13$ chance of getting it right.

anonymous · Answer

ok thanks