Remember the movie National Lampoon’s Vegas Vacation, when gambling fever consumes Chevy Chase’s character, Clark W. Griswold? He goes on a losing streak to beat all losing streaks while his son, Rusty, wins four cars by playing the slot machines. Maybe Clark would have done better if he had read Probability For Dummies! In this article, you discover the basic ideas behind slot machines and how they work, so that you can get past the myths and develop a strategy based on sound probability.
Understanding average payout
Some slot machine players are convinced that playing at a certain time of day will make a difference in their ability to win or lose. STATUS: Slot machines don’t factor time into paybacks. Dear Mike, A machine cannot be programmed to pay out better at certain times of the day. States require that the odds on each spin be the same, and that would not be possible if the machine paid out better.
When casinos advertise that their slot machines pay out an average of 90 percent, the fine print they don’t want you to read says that you lose 10 cents from each dollar you put into the machines in the long term. (In probability terms, this advertisement means that your expected winnings are minus 10 cents on every dollar you spend every time the money goes through the machines.)
Suppose you start with $100 and bet a dollar at a time, for example. After inserting all $100 into the slot, 100 pulls later you’ll end up on average with $90, because you lose 10 percent of your money. If you run the $90 back through the machine, you’ll end up with 90 percent of it back, which is 0.90 x 90 = $81. If you run that amount through in 81 pulls, you’ll have $72.90 afterward (0.90 x 81 = 72.90). If you keep going for 44 rounds, on average, the money will be gone, unless you have the luck of Rusty Griswold!
How many pulls on the machine does your $100 give you at this rate? Each time you have less money to run through the machine, so you have fewer pulls left. If you insert $1 at a time, you can expect 972 total pulls in the long term with these average payouts (that’s the total pulls in 44 rounds). But keep in mind that casinos are designing slot machines to go faster and faster between spins. Some are even doing away with the handles and tokens by using digital readouts on gaming cards that you put into the machines. The faster machines can play up to 25 spins per hour, and 972 spins divided by 25 spins per minute is 38.88 minutes. You don’t have a very long time to enjoy your $100 before it’s gone!
The worst part? Casinos often advertise that their “average payouts” are even as high as 95 percent. But beware: That number applies only to certain machines, and the casinos don’t rush to tell you which ones. You really need to read or ask about the fine print before playing. You can also try to check the information on the machine to see if it lists its payouts. (Don’t expect this information to be front and center.)
Implementing a simple strategy for slots
Advice varies regarding whether you should play nickel, quarter, or dollar slot machines and whether you should max out the number of coins you bet or not (you usually get to choose between one and five coins to bet on a standard slot machine). In this section, you’ll find a few tips for getting the most bang for your buck (or nickel) when playing slot machines.
Basically, when it comes to slot machines, strategy boils down to this: Know the rules, your probability of winning, and the expected payouts; dispel any myths; and quit while you’re ahead. If you win $100, cash out $50 and play with the rest, for example. After you lose a certain amount (determined by you in advance), don’t hesitate to quit. Go to the all-you-can-eat buffet and try your luck with the casino food; odds are it’s pretty good!
Choosing among nickel, quarter, and dollar machines
The machines that have the higher denominations usually give the best payouts. So, between the nickel and quarter slots, for example, the quarter slots generally give better payouts. However, you run the risk of getting in way over your head in a hurry, so don’t bet more than you can afford to lose. The bottom line: Always choose a level that you have fun playing at and that allows you to play for your full set time limit.
Deciding how many coins to play at a time
When deciding on the number of coins you should play per spin, keep in mind that more is sometimes better. If the slot machine gives you more than two times the payout when you put in two times the number of coins, for example, you should max it out instead of playing single coins because you increase your chances of winning a bigger pot, and the expected value is higher. If the machine just gives you k times the payout for k coins, it doesn’t matter if you use the maximum number of coins. You may as well play one at a time until you can make some money and leave so your money lasts a little longer.
For example, say a quarter machine pays 10 credits for the outcome 777 when you play only a single quarter, but if you play two quarters, it gives you 25 credits for the same outcome. And if you play the maximum number of quarters (say, four), a 777 results in 1,000 credits. You can see that playing four quarters at a time gives you a better chance of winning a bigger pot in the long run (if you win, that is) compared to playing a single quarter at a time for four consecutive tries.
The latest slot machine sweeping the nation is the so-called “penny slot machine.” Although it professes to require only a penny for a spin, you get this rate only if you want to bet one penny at a time. The machines entice you to bet way more than one penny at a time; in fact, on some machines, you can bet more than 1,000 coins (called lines) on each spin — $10 a shot here, folks. Because these machines take any denomination of paper bill, as well as credit cards, your money can go faster on penny machines than on dollar machines because you can quickly lose track of your spendings. Pinching pennies may not be worth it after all!
By Bill Burton
Over the last year, I have heard many players complain that they are not having as many jackpots on the slot machinesas they used to have. I first heard this from a few of my friends who said they believed that the casinos were tightening the machines because the bad economy was forcing people to make fewertrips to the casino. I did not pay too much attention to this but then I started to notice other players posting the same opinions on several Internet forums.
It seems many of the players have come to believe that every casino was lowering the paybackpercentage on all of their machines.
A month ago I was contacted by a newspaper reporter from Colorado who requested an interview with me. He said he was writing a story about the casinos lowering the payback on the slot machinesthat were making it harder for the players to win. He wanted my opinion on the subject and he was surprised by my answer.
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Why Players Win Fewer Jackpots
I told him I do believe that some casinos may be ordering new machines with lower payout percentages but I did not believe that this was the main reason why players may not be winning as muchas they used to. I gave him the following reasons for my answer.
Over the years there have been many myths associated with casino gambling. One of the most common ones is the belief that a casino can raise and lower a machine's payback with the flip of aswitch. This is not true because the slot machines have a computer chip in them that determines the pay back percentage. These are set at the factory.
In order for a casino to change the pay back, they would have to change the chip. In most jurisdictions, there is paperwork that has to be filled and submitted to the Casino Control Commissionfor each machine if the chip is changed. It is time-consuming and the chips are very expensive. For this reason, the cost of changing the chip in numerous machines on the casino floor does notmake economical sense.
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Many of the gambling jurisdictions around the country require the casinos to report the overall payout percentages on a monthly basis. (California is not one of the States) These figures are amatter of public record and are published in some newspapers and gaming publications. I looked back on these figures over the last year and saw that there was very little change in most casinosaround the country. In some instances, there were even some of the payback percentages had increased.
A reason why some players feel that they may not be winning as often is the fact that many players are making fewer trips to the casino so they are not playing as many sessions. So because theyare playing fewer sessions they will see fewer big jackpots and fewer winning sessions overall. It is all proportional.
Some players may have decided to play lower denomination machines. Many of the nickel and penny slot machines have a higher hit frequency, which means you will have many smaller wins but not asmany big jackpots.
How To Help Your Payback Percentages
If you still honestly believe that your casino is lowering the return rate on the slot machines you have several courses of action. The easiest thing to do is to play the older machines. It isdoubtful that a casino would go through the expense of putting a new chip in an older machine to lower the return rate. You can try a new casino. You may find that your luck is better at adifferent casino and a change is your routine will let you enjoy some new experiences.
You can switch to video poker. It is the only machine game that will let you know the payback of the machine by readingthe pay table. However, if you do decide to try video poker, make sure you learn the strategy or get a strategy card to bring along with you when you play.
Switch to the table games. Playing table games is exciting and they offer a lower house edge than the slot machines. Many casinos give free table game lessons so you can learn the basics beforeyou sit down.
Let me close by saying again that I do believe that there will be some machines on the casino floors with lower returns, however, I do not believe that is as widespread as the rumors would haveyou believe. The casinos are in competition with each other for your business so they do not want to alienate the players by offering games where nobody can win.
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As a customer/player you always have the option of taking your business elsewhere. The ultimate decision of where to play is entirely up to you.
Until next time remember, luck comes and goes.....knowledge stays forever.