Question: Q(a).A random sample of size n = 50 from normal population yielded sample value = 190 and S 2 = 800. Find a 95% confidence

Q(a).A random sample of size n = 50 from normal population yielded sample value

= 190 and S² = 800. Find a 95% confidence interval for ?

Q(b).A normal population has a variance of 100. A random sample of size 16 selected from the population has a mean of 52.5. Construct the 90% confidence interval estimate of the population mean ?

Subject: Stat inference

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