SOLUTION: Eden obtains a mark of 67 on her final year exam. Assuming the reliability of the exam is 0.66 and the standard deviation is 10. What is the 95% confidence interval of her mark? Wh

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Question 1202077: Eden obtains a mark of 67 on her final year exam. Assuming the reliability of the exam is 0.66 and the standard deviation is 10. What is the 95% confidence interval of her mark? What does the interval imply?
If Eden completes a new exam consisting of 8 folds of the original exam, what is the reliability of the new exam? What is the 95% confidence interval of her mark based on the new reliability
help me on this homework its urgent plccccccccccccccccccccc
Answer by ikleyn(52943) About Me  (Show Source):
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Eden obtains a mark of 67 on her final year exam. Assuming the reliability of the exam is 0.66
and the standard deviation is 10. What is the 95% confidence interval of her mark? What does the interval imply?


If Eden completes a new exam consisting of 8 folds of the original exam, what is the reliability of the new exam?
What is the 95% confidence interval of her mark based on the new reliability

help me on this homework its urgent plccccccccccccccccccccc
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