SOLUTION: I posted this earlier, but never received a response...hopefully you can help me! Suppose there are 10 items on a true-false test. The person taking the test does not read the que

Question 15492: I posted this earlier, but never received a response...hopefully you can help me!
Suppose there are 10 items on a true-false test. The person taking the test does not read the questions; he just anserw each question randomly. What is the probability of his guessing all answers correctly?
Thanks..any help would be great.
Liz
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!
There are only 2 out comes true or false and only one success so
probability of success in one trial = 1/2
it is same for every question and does not depend on other questions / answers haence for 10 questions
probability = (1/2)*(1/2)*(1/2)*...10 times =
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