Gavin thought he was making a good investment when he heard about an on-line grocery company. So he bought 500 shares in the com
pany at $25 a share. The company ended up going bankrupt, and when Gavin sold his shares they were $3.30 a share. What was the percent decrease in the share price?
A) 13.2%
B) 86.8%
C) 113%
D) 657%
PLZ HELP
<span>Standard deviation is the square root of variance. Variance is always a non-negative number, since you can't take the square root of a negative number. So neither can be negative </span>
