LAS VEGAS — The Cosmopolitan of Las Vegas is opening to the public on the Las Vegas Strip, giving Sin City its last major casino-resort for at least a little while.

The resort owned by German lender Deutsche Bank was expected to open Wednesday night with bettors placing their first wager about 8 p.m. Casino executives plan an unveiling party with VIPs and hotel guests earlier in the night.

The celebration is expected to culminate with a poolside concert with Brandon Flowers, the frontman for rock band The Killers.

The $3.9 billion resort is opening at a time when Nevada is attempting to rebound from a battered economy dependent on tourism. More visitors have come so far this year than in 2009 or 2008, but more casinos on the Strip have made competition much tougher.