DEFG Corp. had the return of 19% in 2014, -4% in 2015, 11% in 2016, and 13% in 2017. What is the geometric average return of DEFG Corp.s return during these years?

10.43%

9.75%

12.98%

9.41%

Same facts as above: what is the 95 percentage range of DEFG Corp.s returns (or, in other words, what would be the range in which the 95% of DEFGs return will fit in according to the data we have)?

[-0.03, 19.53]

[4.75, 14.75]

[8.81, 11.13]

[-9.41, 28.91]