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Big Tech's stock has the following distribution of returns: State Return Probability Boom 0 0.30 Normal 0. 15 0.40 Bust 0.3 0.30 Assuming that these returns are normally distributed, what is the probability that Big Tech's stock will return less than 3.38%? Select the option closest to your answer. Select one: O a. 5% O b. 2.5% O c. 33.33% O d. 16.7%