A large portfolio of travel insurance policies contains policies with three different deductible levels: 50% have a deductible of $200, 25% have a deductible of $400 and 25% have a deductible of $600. Ten policies are randomly chosen from the portfolio of policies two of which have a deductible of $600. Determine the probability that more than six of the policies chosen have a deductible of $400.

1. 0
2. 0.0351
3. 0.1951
4. 0.225
5. 0.2351