A random sample has been taken from a normal distribution

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A random sample has been taken from a normal distribution and the following confidence intervals were constructed using the same data: (38.02, 61.98) and 39.95, 60.05). a. What is the value of the sample mean? b. One of these intervals is a 95% CI, and the other is a 90% CI. Which is the 90% CI and which is the 95% CI, and why?

Reference no: EM13633233

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