QUESTION 1 Given the following problem below in regard to hypothesis testing, answer the following questions A) Determine the null and alternative hypothesis in symbols and words B) Would you use T-scores or Z-scores and why C) What is the value of the decision rule ? D) What is the T-score or Z-score of the study result? E) Would you reject the null and why? Facebook.com claims that college users have a mean of 300 friends on the site. Professor K believes this claim is too low She randomly samples 16 students in her college and finds they have a mean of 320 friends on the site with a population standard deviation of 144. Do these results support the professor's claim at 5%