Each of five questions on a multiple choice examination has four choic – InterviewSolution

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1.	Each of five questions on a multiple choice examination has four choices, only one of which is correct. A student is attempting to guess the answer. If the random variable X is the number of questions answered correctly, the probability that the student will get exctly three answer correct isA. `45/512`B. `63/64`C. `781/1024`D. `979/1024`
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