Treasury bill returns are 4%, 3%, 2%, and 5% over four years. the standard deviation of returns
of treasury bills is
a) 1.55%
b) 1.03%
c) 0.90%
d) 1.29%

Elite coffee and bakery, a café that offers a relaxing environment to enjoy quality coffees, teas, soups, and other menu items, has a poster in the front of its restaurants that reads, "we will always provide a quality product to our customers better meet the challenges of their day and always take the time to offer caring service one person at a time." this statement is elite's