The mean test score of a sample of 28 students in a Statistics class is 85, with a standard deviation of 7. The population is normal distributed. a) Construct a 96% confidence interval for the mean test score of Statistics students. Round your answer to 3 decimal places. (i ! i !) b) What is the margin of error of this interval? The margin of error is i c) Interpret your findings. You can be 96% confident that the population mean is somewhere between d) Is the true population mean likely to be an A (90 or more)? No. 82 and 88

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