On a 10-questions multiple choice test

Reference no: EM13121376

Probability: On A 10-Questions Multiple Choice Test
On a 10-question multiple choice test there are 5 possible answers for each question, of which 1 is correct and the other 4 are incorrect. If a student guesses randomly and independently, what is the probability of:

a) Being correct on questions number 1, 2 and 4?

b) Being correct on 3 questions?

c) Justify your selection of the probability distribution you choose to model this situation.

Reference no: EM13121376

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