Describe a well-designed randomized experiment to address this question using the method of a randomized comparative experiment. Assume the participants in the study are 60 college students and the response variable is time it takes to point to a quick flash of light on a screen after drinking a Red Bull. Be sure to explain how randomization should be used in your design. For full credit include: a. Describe how this experiment will be randomized. b. Discuss whether or not this experiment will be blinded. Why or why not? c. Discuss whether or not a placebo is needed. Why or why not? d. List the variables in in your experiment and whether or not they are quantitative or categorical. e. Discuss whether or not the results of your experiment, if significant, can establish a causal relationship. Why or why not?