Suppose your expectations regarding the stock market are as follows: State of Economy Probability HPR
Boom 0.2 37%
Normal growth 0.6 22%
Recession 0.2 -20%

S
E(r)=∑p(s)r(s)E(r)=∑s=1Sp(s)r(s)
s=1

S
Var(r)=σ^2=∑p(s)r(s)−E(r)]2Var(r)=σ 2=∑s=1Sp(s)r(s)−E(r)]2
s=1

SD(r)=σ^2=√Var(r)

Required:
Use the above equations to compute the mean and standard deviation of the HPR on stocks. (Do not round intermediate calculations. Round your answers to 2 decimal places.)

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When the national economy goes from bad to better, market research shows changes in the sales at various types of restaurants. projected 2011 sales at quick-service restaurants are $164.8 billion, which was 3% better than in 2010. projected 2011 sales at full-service restaurants are $184.2 billion, which was 1.2% better than in 2010. how will the dollar growth in quick-service restaurants sales compared to the dollar growth for full-service places?

The following transactions occurred during july: received $1,000 cash for services provided to a customer during july. received $4,000 cash investment from bob johnson, the owner of the business received $850 from a customer in partial payment of his account receivable which arose from sales in june. provided services to a customer on credit, $475. borrowed $7,000 from the bank by signing a promissory note. received $1,350 cash from a customer for services to be rendered next year. what was the amount of revenue for july?