Answer:
2 month standard deviation = 22.45%
Step-by-step explanation:
Annual standard deviation = 55%
2 month standard deviation = Annual standard deviation /
2 month standard deviation = 55% /
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%