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STAT 1430Recitation Discrete R. V. – Part 2Instructions:For full credit, use proper notationand write out any formulasyou use during this recitation (when applicable). Answers without supporting work will not be given full credit.Multiple Choice and True/False:1.The number of accidents that occur at a certain intersection in a given year is a continuous random variable.a)Trueb)False2.Suppose X has a distribution with mean 10 and Y has a distribution with mean 20. The mean of X – Y is 30.3.Which of the following is a NOT a discrete random variable?4.The table below shows the probability distribution of X. What is the mean of X?x01234P(X = x)0.100.050.150.300.405.If X and Yare random variables with X= 5 and Y= 8, then what is 2X-3Y?a)-34b)-14c)14d)346.If X and Yare random variables with X= 2 and Y= 8, then what is 2X+3Y?