Questions on a true-false test randomly


If a student answers questions on a true-false test randomly( assume that p=0.5) and independently, determine the probability that

a) the first correct answer is in the response to question 4;

b) at most 4 questions (that is 4 or fewer) must be answered to get the first correct answer.

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Basic Statistics: Questions on a true-false test randomly
Reference No:- TGS0843613

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