Help please

Job Bids A landscape contractor bids on jobs where he can make $2750 profit. The probabilities of getting 1, 2, 3, or 4 jobs per month are shown. Number of jobs X 1 2 3 4 Probability P (X) |0.1 0.2 0.3 0.4 Send data to Excel Find the contractor's expected profit per month. The contractor's expected profit per month is $ X