Suppose demand for a product has the following distribution seen in the following Excel screenshot Suppose demand for a product has the following distribution seen in the following Excel screenshot Write down the exact entry that should go into cell B15 to give expected demand? The entry you give should involve no \'+\' signs. Solution The entry in B15 Cell is =sumproduct(A2:A12,B2:B12). The expected demand = sum d*P(d) = 0*0.4 + 1*0.18 + ... + 10*0.001. This can be achieved using sumproduct function as mentioned above. .