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4exp10 = 1048576 combinations of answers, assuming it's a 10 question test with 4 multiple choice questions.
1 set of perfect answers.
60 percent right, there are 4096 different combinations.
You'd expect to see 3.7 successful passes in 950 attempts.
If it's a 20 question test, it would be about a 1.5 percent chance of being a random event.
So it depends on the length of test. I think the break even is around 12 multiple choice questions.
1 set of perfect answers.
60 percent right, there are 4096 different combinations.
You'd expect to see 3.7 successful passes in 950 attempts.
If it's a 20 question test, it would be about a 1.5 percent chance of being a random event.
So it depends on the length of test. I think the break even is around 12 multiple choice questions.
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