The following table describes the probability distribution of the number of model T sold each week at a car dealership (random variable X). X Probability 0 0.4 1 0.2 2 0.1 3 ??? What is the expected value for the number of model T sold in two weeks in this dealership? O a. 1.3 O b. 2.6 O c. 1.5 O d. 0.3 O e. 2