A random sample of 100 observations from a population with standard deviation 19.95 yielded a sample mean of 93.8 . 1. Given that the null hypothesis is ?=90 and the alternative hypothesis is ?>90 using ?=.05 , find the following: (a) Test statistic = (b) P - value: (c) The conclusion for this test is: A. Reject the null hypothesis B. There is insufficient evidence to reject the null hypothesis C. None of the above 2. Given that the null hypothesis is ?=90 and the alternative hypothesis is ?≠90 using ?=.05 , find the following: (a) Test statistic = (b) P - value: (c) The conclusion for this test is: A. Reject the null hypothesis B. There is insufficient evidence to reject the null hypothesis C. None of the above

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