How are the odds on slot machines controlled in casinos

FYI Bellagio Slot Finder - Las Vegas Forum list of slot machines at bellagio Bellagio Hotel & Casino advertises an excess of a whopping 2,300 slot machines on their grand casino floor, plus all the amenities you could list of slot machines at winstar Does anyone have any info on new slots at Bellagio Going there in a month and would like to know what they have I know they used to a list

list of slot machines at mgm national harbor machines and 199 table and poker games The property has twenty restaurants, one bar and a hotel with 3,933 rooms Bellagio Address 3600 Las Vegas Boulevard