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1 pts Question 35 A firm has the NPV of a project based on three possible economic conditions and their probabilities given below. The expected NPV is $40.5 million What is the standard deviation for the project's NPV? Economic condition Probability of outcome NPV (5 milion) Recession 50 23 20 70 Boom 30 SO No change 17413 1995 O 17.69 18.82 O 20.33