Hello,shogunhd!

On any question: .On a six-question multiple-choice test, there are five possible answers

for each question. Only one of these answers is correct.

If a student guesses randomly and independently, find the probability:

a) being correct only on questions 1 and 4

We want: .right-wrong-wrong-right-wrong-wrong

The probability is: .

There are: . ways to choose two questions.b) being correct on two questions only