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Consider an economy with two types of firms, S and I. S firms all move together. I firms move independently. For both types of firms,

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Consider an economy with two types of firms, S and I. S firms all move together. I firms move independently. For both types of firms, there is a 45% probability that the firm will have a 21% return and a 55% probability that the firm will have a 6% return. What is the volatility (standard deviation) of a portfolio that consists of an equal investment in: a. 15 firms of type S? b. 15 firms of type I? a. What is the volatility (standard deviation) of a portfolio that consists of an equal investment in 15 firms of type S? Standard deviation is \%. (Round to two decimal places.)

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