If two loads are applied to a cantilever beam as shown in the accompanying drawing, the bending moment at 0 due to the loads is a X1+a2X2. deviation to three decimal places.) expectedbendingmomentstandarddeviationkip-ftkip-ft (b) If X1 and X2 are normally distributed, what is the probability that the bending moment will exceed 75 kip-ft? (Round your answer to four decimal places.) kipft (d) For the situation of part (c), what is the variance of the bending moment? (Round your answer to two decimal places.) kipft2 kipft2 If two loads are applied to a cantilever beam as shown in the accompanying drawing, the bending moment at 0 due to the loads is a X1+a2X2. deviation to three decimal places.) expectedbendingmomentstandarddeviationkip-ftkip-ft (b) If X1 and X2 are normally distributed, what is the probability that the bending moment will exceed 75 kip-ft? (Round your answer to four decimal places.) kipft (d) For the situation of part (c), what is the variance of the bending moment? (Round your answer to two decimal places.) kipft2 kipft2