Darren has the option of investing in either stock a or stock b. the probability of the return of stock a being 25% is 0.45, 14% is 0.25, and 4% is 0.30. the probability of the return of stock b being 30% is 0.30, 9% is 0.25, and 2% is 0.30. given the probability distributions for the two investments, what is the expected rate of return for stock a and stock b?
a. 13.65%; 12.85%
b. 17.82%; 11.95%
c. 15.95%; 11.85%
d. 16.80%; 11.45%
e. 14.75%; 13.75%

Someone answer this asap for gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a. gabriella averages 7.5 u.s. dollars for every 100 euros. b. gabriella averages 100 u.s. dollars for every 25 euros. c. gabriella can exchange 75 u.s. dollars for 100 euros. d. gabriella can exchange 100 u.s. dollars for 75 euros.