SOLUTION: A test consists of 10 true/false questions. To pass the test a student must answer a least 8 questions correctly. If a student guesses on each, question, what is the probability th
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Question 1149048: A test consists of 10 true/false questions. To pass the test a student must answer a least 8 questions correctly. If a student guesses on each, question, what is the probability that the student will pass the test?
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
P(10 right) =
P(9 right) =
P(8 right) =
Add those probabilities to get the probability of getting at least 8 right.
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