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Annonna Annonna
  • 03-08-2014
  • Mathematics
Answered

A history quiz consists of five true-false questions. If you guess on each question, then the probability of answering all five questions correctly is approximately

Verified Answer :

annnngggiiieee1
annnngggiiieee1 annnngggiiieee1
  • 03-08-2014

3.5% Because You'd Have A 50/50 Shot Every time You Answer A True Or False Question .

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Xhade
Xhade Xhade
  • 03-08-2014

The probability of answering all 5 questions correctly will be
(1÷2)  X (1÷2) X (1÷2) X (1÷2) X (1÷2) =0.03125

So probability is 3.125%

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