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Variance and standard deviation (expected) Hull Consultants, a famous think tark in the Midwest, has provided probability estimates for the four potential economic states for the coming year. The probability of a boom economy is 10%, the probability of a stable growth economy is 15%, the probability of a stagnant economy is 45% and the probability of a recession is 29% Calculate the variance and the tandard deviation ntock Forecastod Retums for Each Economy Investment Boom Stablo Growth Stagnant Rocession Stock 29% 12% 5% - 10% Corporate bond 9% 8% 6% 3% Government bond 8% 7% 5% 2% What is the variance of the stock investment? % (Round to five decimal placed What is the standard deviation of the stock investment? (Round to two decimal place) Or