Math Is Fun Forum

juantheron

Member

Registered: 2011-10-19

Posts: 312

multiple choice question

In a multiple choice question , there are 4 alternatives, of which one or more are correct. a candidare will get marks in question

only if he ticks all the correct answer. if the candidate ticks the answer at random but is allowed up to three chances to answer the

question , then the probability that he will get marks in the question

bobbym

bumpkin

From: Bumpkinland

Registered: 2009-04-12

Posts: 109,606

Re: multiple choice question

Hi juantheron;

of which one or more are correct

One or more are right? Are you sure about that?

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In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.

juantheron

Member

Registered: 2011-10-19

Posts: 312

Re: multiple choice question

means if any given objective question of 4 options

one or more answer is correct

answer for above question is given as options

(i) (1/15)^3      (ii) 1-(14/15)^3      (iii) 1/5       (iv) None of these