help and explain for me the 111 please

Course Materials v Communication " Assessments " My Tools HELP Practice Questions > Practice Questions - Current - March 9, 2020 e Questions - Current - March 9, 2020 distribution 111) On any given day, a rental dealer rents 0, 1, 2, 3, or 4 cars with probabilities 0.10, 0.15, 0.25, 0.30, 0.20 respectively. (They never rent more than 4 cars). Suppose they make a profit of $2100 from each car rented, but 40 they have a fixed cost of $1400 per day for rent and salaries at the dealer. Let the random variable X = the net profit per day. (i.e., the profit from the rent of cars minus the fixed cost). a) Develop a probability distribution for the net profit per day b) Draw a graph of the probability distribution c) Show that your probability distribution satisfies the conditions for a discrete probability distribution. d) Calculate the expected value of the probability distribution 112) In the Arizona lottery called Pick 3, a player pays $1 and then picks a three-digit number. If those three numbers are picked in that specific order the person wins $500. MacBook Air 80 888 K A F12 @ # A tA 6 W E R T Y U O P S D F G H J K L C B N M