5. Set up the hypothesis in symbols (Vitamin C Placebo). 0f the 139 skiers assigned to take Vitamin C, 17 developed a cold. Of the 140 skiers assigned to take a placebo, 31 developed a cold. 6. Fill out the 2x2 chart. 7. Calculate the conditional proportions for each group. Assign a symbol to each. 8. Calculate the relative risk. 9. Calculate the difference in proportions (Vitamin C Placebo). 10. Using the Twp Proportions Applet, simulate a null distribution and identify the following: - Simulated SD: - P-value (R or FTR?)