Compute the confidence interval for u, true value of mean

Reference no: EM133357547

Question 1: A random sample of size 35 is drawn from normal population whose population standard deviation is known to be 5.3. The sample mean is 34.2 Compute the 95% confidence interval for u, true value of mean?

Question 2: What is the smallest sample size required to provide a 99% confidence interval for a mean, if it important that the interval be no longer than 1 unit.

Reference no: EM133357547

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