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Business/Finance
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Title: We did the math for the $450 million Powerball jackpot and concluded it's not worth buying a ticket
Source: [None]
URL Source: http://news.yahoo.com/did-math-450- ... -powerball-214235140.html?nf=1
Published: Jan 5, 2016
Author: Andy Kiersz
Post Date: 2016-01-06 04:50:40 by BTP Holdings
Keywords: None
Views: 183
Comments: 2

We did the math for the $450 million Powerball jackpot and concluded it's not worth buying a ticket

Business Insider By Andy Kiersz

11 hours ago

image

(Thomson Reuters)

You probably shouldn’t do this.

The Powerball lottery drawing for Wednesday evening has an estimated jackpot prize of $450 million.

While that’s a huge amount of money, buying a ticket is still probably a losing proposition. Consider the expected value

When trying to evaluate the outcome of a risky, probabilistic event like the lottery, one of the first things to look at is “expected value.” The expected value of a randomly decided process is found by taking all of the possible outcomes of the process, multiplying each outcome by its probability, and adding all of these numbers up. This gives us a long-run average value for our random process.

Expected value is helpful for assessing gambling outcomes. If my expected value for playing the game, based on the cost of playing and the probabilities of winning different prizes, is positive, then in the long run the game will make me money. If expected value is negative, then this game is a net loser for me.

Powerball and similar lotteries are a wonderful example of this kind of random process. As of October 2015 in Powerball, five white balls are drawn from a drum with 69 balls, and one red ball is drawn from a drum with 26 balls. Prizes are then given out based on how many of a player’s chosen numbers match the numbers written on the balls. Match all five white balls and the red Powerball, and you win the jackpot. In addition, there are several smaller prizes won for matching some subset of the drawn numbers.

Powerball’s website helpfully provides a list of the odds and prizes for each of the possible outcomes. We can use those probabilities and prize sizes to evaluate the expected value of a $2 Powerball ticket. Take each prize, subtract the price of our ticket, multiply the net return by the probability of winning, and add all those values up to get our expected value:

image

(Business Insider/Andy Kiersz)

Already, we are in trouble. Given the overwhelming likelihood — a 96% probability — that we wind up matching absolutely nothing and therefore wind up just throwing our $2 out the window, our expected value ends up being $0.14 in the red. We would need a prize of around $500 million to get a positive expected value. Annuity vs. lump sum

Of course, even that scenario with a $500 million prize and a positive expected value is a vast oversimplification. First, the headline $450 million grand prize is paid out as an annuity: Rather than getting the whole amount all at once, you get the $450 million spread out in smaller — but still multimillion-dollar — annual payments over the course of 30 years. If you choose to take the entire cash prize at one time instead, you get much less money up front: The cash payout value at the time of writing is $275.4 million.

Looking at the lump sum, we are doing even worse than with the headline annuity, with an expected value of -$0.74:

image

(Business Insider/Andy Kiersz)

The question of whether to take the annuity or the cash is somewhat nuanced. Powerball points out on their FAQ site that in the case of the annuity, the state lottery commission invests the cash sum tax-free, and you only pay taxes as you receive your annual payments, whereas with the cash payment, you have to pay the entirety of taxes all at once.

On the other hand, the state is investing the cash somewhat conservatively, in a mix of various US government and agency securities. It’s quite possible, although risky, to get a larger return on the cash sum if it’s invested wisely. Further, having more money today is frequently better than taking in money over a long period of time, since a larger investment today will accumulate compound interest more quickly than smaller investments made over time. This is referred to as the “time value of money.” Taxes make things much worse

As mentioned above, there’s the important caveat of taxes. While state income taxes vary, it’s possible that combined state, federal, and in some jurisdictions local taxes could take as much as half of the money. Factoring this in, if we’re only taking home half of our potential prizes, we move even more solidly into negative expected-value territory, making our Powerball “investment” a very bad idea:

image

(Business Insider/Andy Kiersz)

The hit to halving the cash one-time prize is equally devastating:

image

(Business Insider/Andy Kiersz)

When you consider the expected value of a Powerball ticket, you can see that the lottery is a pretty bad “investment.”


Poster Comment:

I have to ask this guy I work with if he has bought his ticket. He says he always does. Then I will tell him about this article. LOL

Charts at source.

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#1. To: BTP Holdings (#0)

Is he going to write any articles about why people shouldn't buy insurance, and the injustice of mandatory insurance?

A rainbow coalition against Jews doesn't require Whites or Pro-Whites. It can be just as brown or anti-white as you like.

Prefrontal Vortex  posted on  2016-01-06   10:15:15 ET  Reply   Trace   Private Reply  


#2. To: Prefrontal Vortex (#1) (Edited)

the injustice of mandatory insurance?

First you must understand WHY the state says you MUST have insurance on your motor vehicle.

When you register your property with the State, you give them an interest in that property. Now, since the State is part owner of that vehicle, they can demand (and they do by law) that you have insurance to protect the State from their potential losses. Failure to have insurance is an offense, usually a misdemeanor.

The only way they can find out you do not have insurance is if you get pulled over in a traffic stop. Many states will refuse to issue tags without proof of insurance. This is another way they get you.

It's also a good way to enrich insurance companies. ;)

"When bad men combine, the good must associate; else they will fall, one by one." Edmund Burke

BTP Holdings  posted on  2016-01-06   20:01:32 ET  Reply   Trace   Private Reply  


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