A food truck near the specializes in healthy sandwiches. The sandwiches are prepared fresh each morning and any unsold sandwiches are donated to a food bank. Each sandwich costs $5 to make and sells for $8. The daily number of sandwiches sold, X, has the following distribution: Table 1: Probability distribution function of X 3 P(x) 0.15 0.05 0.25 0.35 a. (4pts) Fill in the missing probability in the table above. b. (6 pts) What is the expected daily profit? (hint: find the mean of X and multiply it by profit per sandwich)