8. Suppose the price of a stock is normally distributed with mean µ and variance o² = 4. In 5 days the following values have been observed: (x₁,...,x5) = (8, 10, 21, 14, 9). Which of the following is a 95% confidence two-sided interval for the parameter u? A [10.647, 14.153] B[8.48, 16.32] C[10.929, 13.871] D [8.939, 15.861]

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A: 11+5x+2=33

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Q: PLEASE FOLLOW INSTRUCTIONS I SENT AS A FOLLOW UP AND SOLVE ON PAPER

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A: Explanation of the answer is as follows

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A: Recall the following fact.

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Q: Is the solution only the last table? Thank you very much

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