Maths Challenge 9
An investor puts $10,000 into a weekly trading scheme.
In each week it is equally likely that he’ll make an 80% gain or a 60% loss (there are no other possibilities). One year later (52 weeks), roughly how much money does the investor expect to have? The answer is one of the following:
a) $1.95, b) $14,000, c) $140,000, d) $1.4 million or e) $131 million.