Does Botox help stroke victims with their ability to wash hands, their ability to get dressed, etc, which are some of the problems stroke victims face. A random sample of 63 stroke victims were injected Botox in their hands. These stroke victims all had problems with pain, ability to wash hands, ability to get dressed, etc. 83% reported significant improvement in one or more of these areas. Historical data shows that Non-Botox stroke victims who are somewhat similar seem to improve about 53% of the time. Is 83% a result so extreme that it can't be explained by chance, or might it just be chance variation? (a) Null and Alternative Hypothesis (2 pts) (b) Find the Test Statistic using the formula. You can get the values from the calculator but use the formula(3 pts) (c) P-value (d) A decision about the Null Hypothesis. (e) State the Conclusion in context (2 pts) (f) Interpret the p-value (2 pts) Edit View Insert Format Tools Table 12pt \\ Paragraph B I U A Q V T V p O words > ! Question 9 4 pts The average American consumes 8.7 liters of alcohol per year. Does the average college student consume less alcohol per year? A researcher surveyed 48 randomly selected college students and found that they averaged 8.3 liters of alcohol consumed per year with a standard deviation of 2.9 liters. What can be concluded at the 0.10 level of significance? Ho: H = 8.7 Ha: M [ Select ] V 8.7 Test statistic: [ Select ] p-Value = [ Select ] Conclusion: There is [ Select ] evidence to make the conclusion that the population mean amount of alcohol consumed by college students is less than 8.7 liters per year