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a.What is the probability that at least8 question out of 10 will be right? b.What will be the mean marks and standard deviation of the

a.What is the probability that at least8 question out of 10 will be right?

b.What will be the mean marks and standard deviation of the test score? Calculate and explain.

c.Now suppose, the MCQ questions are not independent, which means there are some questions that are linked with previous questions (like this one). If you get question a wrong it might affect your answer of question b. In that case, will it qualify as a binomial distribution? Explain your answer.3 marks

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