There is this one part of a problem I'm having trouble setting up...
For this, I let if answer is correct, and if the answer is incorrect.On a six-question multiple-choice test there are five possible answers for each question, of which one is correct (C) and four are incorrect (I). If a student guesses randomly and independently, find the probability of
I'm not quite sure on how to set this part up, any hints would be appreciated.(a) Being correct only on questions 1 and 4 (i.e. C, I, I, C, I, I)
I think this would be ...but I'm not quite sure.(b) Being correct on two questions
I'd appreciate any input!