| Group I | Group II |
| (P) Gulf of Mannar | (1) Ridge, Glacier |
| (Q) Sunderbans | (2) Sub-tropical/Tropical Forest, Stepped Hill |
| (R) Nanda Devi | (3) Swamp forest, Mangrove |
| (S) Nilgiri | (4) Coral Reefs, Seagrass bed |
| (5) Salt Marsh, Flat Terrain |
P and Q play chess frequently against each other. Of these matches, P has won 80% of the matches, drawn 15% of the matches, and lost 5% of the matches.
If they play 3 more matches, what is the probability of P winning exactly 2 of these 3 matches?