3- You are offered an investment opportunity. Its outcomes and probabilities are presented in the following table. X P(x) -$1,000 40 SO 20 +$1,000 .40 Which of the following statements is true? a) This distribution is skewed to the right. b) This is a binomial distribution. c) This distribution is symmetric. d) This distribution is skewed to the left. e) This is a Poisson distribution 4- A market research team compiled the following discrete probability distribution on the number of sodas the average adult drinks each day. In this distribution, xrepresents the number of sodas which an adult drinks. X P(x) 0 0.30 0.10 2 0.50 3 0.10 The mean (average) value of xis a) 1.4 b) 1.75 c) 2.10 d) 2.55 e) 3.02