Question

3. Determine if the following statements are true or false, OR show what they claim where asked (one point each): T F (a) If we sample from a population coming from a normal distribution with known mean, the sampling distribution of the sample mean will be normal, regardless of the sample size. (b) For a given p-value, if p sa we fail to reject the null.

Answer 1

OVO a) If we sample from a population coming from a normal distribution with known mean than sampling distribution of sample mean will be normal, regardless of sample size True we fail to b) for a given p-value if psa False reject the null since P La than we reject null hy pothesis e) Hoi u=Mo V Hai lu > lo Fails to reject the null lif a-lo L Za ox x t llot Zara lower confidence is 80 clearly fo-za if sind this is then 20 so we fail to reject nall hy pothesion a g