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A sample of 26 independent observations is taken from a normal distribution of unknown mean µ...

A sample of 26 independent observations is taken from a normal distribution of unknown mean µ but known variance σ2 = 50.49. The sample mean is 52.34 and the sample variance is 63. What is the width of the 98% confidence interval for µ?

Give your solution accurate to 4 decimal places?

Math   Statistics-And-Probability   
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Width Calculation..

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