Answer:
2 month standard deviation = 22.45%
Explanation:
Annual standard deviation = 55%
2 month standard deviation = Annual standard deviation / [tex]\sqrt{12/2}[/tex]
2 month standard deviation = 55% / [tex]\sqrt{6}[/tex]
2 month standard deviation = 55% / 2.44948974278
2 month standard deviation = 0.55 / 2.44948974278
2 month standard deviation = 0.224536559755416
2 month standard deviation = 22.45%
