Posted by **Nadia** on Sunday, January 29, 2012 at 7:29pm.

Someone who has never seen a normal die before decides to estimate the mean value of all its faces (μ) by rolling it many times. First, they are told that the standard deviation is σ = 1.7. Then, they roll the die 50 times and get a sample mean of x-bar = 3.7. Finally, at the 95% confidence level, they calculate the margin of error to be E = 0.5. Which of the following is a correct interpretation for this result?

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