SOLUTION: A multiple-choice test has five questions, each with five choices for the answer. Only one of the choices is correct. You randomly guess the answer to each question. What is the pr
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Question 439441: A multiple-choice test has five questions, each with five choices for the answer. Only one of the choices is correct. You randomly guess the answer to each question. What is the probability that you answer the first two questions correctly? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A multiple-choice test has five questions, each with five choices for the answer. Only one of the choices is correct. You randomly guess the answer to each question. What is the probability that you answer the first two questions correctly?
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Assuming you answered the last three incorrectly, you get:
Ans: (1/5)^2 *(4/5)^3 = 0.0205
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Cheers,
Stan H.