Question $5$ Based on the historical record in Figure $1,$ if you invest in large$-$company common stocks,

a$)$ What is the approximate probability that your return will be below $-7\mathrm{.}3$ percent in a given year?

b$)$ What range of returns would you expect to see $95$ percent of the time?

c$)$ What range of returns would you expect to see $99$ percent of the time?