Question: 1 Consider a random variables X with the following probability distribution: X -4 0 1 2 P(x) 0.2 0.3 0.4 0.1 Find the following probabilities:

1 Consider a random variables X with the following probability distribution: X -4 0 1 2 P(x) 0.2 0.3 0.4 0.1 Find the following probabilities: a. P(x>0) b. P(x 0) c. P(x X 1) d. P(x = -2) e. P(x = -4) Question 2 1. Harvard undergraduates completed the National College Health Assessment Questionnaire in 2003. The number of students self-reporting cigarette smoking habits and/or marijuana use habits are given below: Marijuana use Cigarette smoking

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