A coffee shop’s blog allows people to post ideas about new coffee drinks, names of flavors, and future promotions. What two purposes does this blog have? to inform stakeholders about the company’s performance
to gather feedback about products from customers
to communicate job openings to prospective employees
to encourage customers to interact with one another
to announce changes in the company’s structure to investors

Consider the following information on stocks a, b, c and their returns (in decimals) in each state: state prob. of state a b c boom 20% 0.27 0.22 0.16 good 45% 0.16 0.09 0.07 poor 25% 0.03 0 0.03 bust 10% -0.08 -0.04 -0.02 if your portfolio is invested 25% in a, 40% in b, and 35% in c, what is the standard deviation of the portfolio in percent? answer to two decimals, carry intermediate calcs. to at least four decimals.