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#29 thanks A exam has 80 questions, all multiple-choice, each with four possible answer choices. Suppose a student (not you, of course) takes the exam

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A exam has 80 questions, all multiple-choice, each with four possible answer choices. Suppose a student (not you, of course) takes the exam and guesses all the answers. a) What is average expected number of correct answers? b) What is the standard deviation? c) Would you be able to use the Normal distribution to approximate this binomial? Why or why not? d) What is the probability that he or she gets at least 30 correct? Edit Format Table 12nt Paragraph v m Av Q V TRY

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