How many girls are there for me?

Hey guys,

I don’t have a girlfriend but I don’t think there is anything wrong with me, hahaha… but being the mathematician that I am, let’s look to see how many girls exactly would be a match for me 😀

I went onto Wolfram|Alpha and looked up the female population on the planet and got:

Female population on earth in 2009:

But I am looking for a girl who is in North America. Restricting this number to Canada and the United States gives:

171, 230, 000 girls

BUT she must also be around my age and preferably younger (or at most 1 year older). Say, from 25-29 years old. That leaves:

11, 415, 000 girls

But about half of these girls are already married or in a common-law relationship. Thus, that leaves:

5, 707, 500 girls

And further, about 11% of women are not interested in men (i.e. lesbian or other). That leaves:

5, 079, 675 girls

Being a mathematician, I want a girl who is smart. About 85% of the girls in North America are complete dumb asses, hence the number of girls left is:

761, 951 girls

I don’t want no ugly kids, and given my appearance, the girl better be
pretty! Only about 15% of the girls fall in this category, thus we get:

114, 292 girls

But the girl must also like me. To see what kind of statistic is
reasonable, I went to the local bar and chatted with 10 girls. Then at
the end I asked them if they liked me based on my appearance and our
conversation. Only 1 girl said yes, the other 9 said no (unfortunately
the 1 girl who said yes went home with my friend :-S). Thus, only 10%
of the girls will like me. That leaves:

11, 429 girls

Further, I have two sisters and a few other relatives who would fall
into the above categories, and who I prefer not to marry. So taking
away these 10-15 people gives:

11, 414 girls

WOW! So in this world there is 11,414 girls that would like me and
would marry me. That’s actually a lot (in my mind). Now if only there
is a way to meet them, hmmm.

I thought it would also be very interesting to see how many GUYS there are for me and compare… you can read that calculation at my next entry:

“How many GUYS are there for me?”
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Why does Canada have skill-testing questions for contests / lotteries?

All winners who are in Canada have to answer math problems before getting any prize. Things like…

90 x 2, then divide by six, then x 12

This question was for claiming an Xbox 360 in a contest, so the answer of course is 360!

But WHY?? Americans don’t have to do it, a monkey on a stick can win prize in the U.S and not even know how to do 1+2. But in Canada, to even win the McDonald’s
hockey trading cards you need to do these silly computations.
This is actually a loop-hole in Canadian law. Basically, Canada has
anti-gambling laws that make it illegal to sell chances to win a prize,
so there has to be at least some level of skill involved. In the past,
the “skill” challenges involved things like:

  • Count the number of jelly beans in a jar
  • Calculate the time it takes for a barrel to float down a river

However, things like:

  • Shoot a turkey at 50 yard range
  • Quickly peel a potato

TOO easy and Canadian courts have said these last two just don’t make
the cut. LOL shoot a turkey, whoever thought up that is silly, that
sounds more like an American test.

In 1984 is when something big
happened. A court case said that a four-part mathematical question
counts as a “test of skill”. Something like:

228 x 21, then add 10824, then divide by 12, then subtract 1121.

to this court case, almost all product promotion sweepstakes started
using the four-part math problem to test skill and get around the nasty
Canadian laws.

However, in the last 20 years, the four-part
math problem has turned into monkey sticks… some have simplified it
so much that the division they require is by 1. And forget about using
3 digit numbers, 2 digits is good enough. And four-part problem? BAH i
say! BAH! Three-parts should be enough, right? So now you see things

2 x 2, then add 10, then divide by 1.

But is the Canadian government going to crack down on companies posing super easy skill-testing questions? Probably not…

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Girls are dumb at math

Oh jeez, with a title like that I’m sure to get my ass kicked :-\

tests in Canada, women who were told that men and women do math equally
well did much better than those who were told there is a genetic
difference in math ability.

And women who heard there were
differences caused by environment — such as math teachers giving more
attention to boys — outperformed those who were simply reminded they
were females.

The women who did better in the tests got nearly
twice as many right answers as those in the other groups, explained
Steven J. Heine, a psychology professor at the University of British
Columbia in Vancouver.

The math study was done a couple years ago from 2003-2006. Heine and
Dar-Nimrod wanted to see how people are affected by stereotypes about
themselves. They took 220 women and divided them into 4 groups and gave
them math and reading tests. The results were published in the journal

way they did the experiment was to give the women a math test, then
have them read an essay, then give them another math test. In
two groups the women averaged between five and 10 correct answers out
of 25 math questions. In the other two they averaged between 15 and 20

The women in the lower socring groups read essays
about the ‘genetic difference between men and women in math ability’ or
read an essay about the ‘images of women in art’ (which reminds them
they are female but didn’t discuss math). These two groups had a
decreased performance between the two math tests. Thus… reminding
people of the stereotype affects them.

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I’m suing you for “1,784 billion, trillion dollars”!

This guy named Dalton Chiscolm is unhappy about Bank of America’s customer service — like really, really, really, really unhappy 😐

Anyways, in August he decided to sue the largest U.S. bank and its board… demanding

“1,784 billion, trillion dollars”

be deposited into his account
the next day. He also demanded an additional $200,164,000. 
According to the news story:

He seems to be complaining that he placed a series of calls to the bank in New York
and received inconsistent information from a ‘Spanish womn,'” the judge
wrote. “He apparently alleges that checks have been rejected because of
incomplete routing numbers.”

Chin has experience with big numbers. He’s the judge who sentenced Bernard Madoff to a 150-year prison sentence for what the government called a $65 billion Ponzi scheme.

Yet the money Chiscolm wants could dwarf all the bank’s other problems.
It’s larger than a sextillion dollars, or a 1 followed by 21 zeros.
Chiscolm’s request is equivalent 1 followed by 22 digits. The sum also
dwarfs the world’s 2008 gross domestic product of $60 trillion, as
estimated by the World Bank.

The Judge gave Chiscolm until October 23 to explain the basis for his claims, or else his complaint will be dismissed.

Just how many zeros is 1,784 billion trillion? Convention is that it’s 21 zeros:

1 784 000 000 000 000 000 000 000

WOW! Just…. wow!

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Funny (x,why?) comic

I was going through the (x,why?) comic archives and this comic cracked me up:

It made me go to youtube to type in “needs more cowbell” but unfortunately I couldn’t find a decent version of the SNL video. Fortunately, I found it on another video sharing site to satisfy my urges. If you don’t know what I’m talking about, check out the wiki entry on “More cowbell“.

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New Numb3rs season starts Friday!

The sixth season will premiere Friday September 25.

Numb3rs an American television drama, which premiered on January 23, 2005 on CBS. The series was created by Nicolas Falacci and Cheryl Heuton, and follows FBI Special Agent Don Eppes (Rob Morrow) and his mathematical genius brother, Charlie Eppes (David Krumholtz), who helps Don solve crimes for the FBI. Numb3rs is produced by brothers Ridley and Tony Scott and it’s production company is Scott Free Productions and CBS Television Studios.

The show focuses equally on the relationships between Don Eppes, his
brother Charlie Eppes and their father, Alan Eppes (Judd Hirsch), and
on the brothers’ efforts to fight crime, normally in Los Angeles. A
typical episode begins with a crime, which is subsequently investigated
by a team of FBI agents led by Don and mathematically described by
Charlie, with the help of Larry Fleinhardt (Peter MacNicol) and Amita
Ramanujan (Navi Rawat). The insights provided by Charlie’s mathematics
are always in some way crucial to solving the crime.

See the wiki entry for more info.

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Funny abstruse goose comic

Abstruse goose had a funny comic titled

A Mathematician’s Apology

I won’t ruin the punchline, but it starts off with an older looking mathematician trying to find a novel proof of the Poincare Conjecture. Check it out!

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New season of `The big bang theory’

Today starts season 3 of the hit tv show The Big Bang Theory! If you’ve never heard of this show then you should definitely check it out. It is chalk full of geek humor.

It is set in California, and is about two guy Caltech prodigies in their twenties, one an experimental physicist (Leonard) and the other a theoretical physicist (Sheldon), who live across the hall from an attractive blonde waitress with show-biz aspirations (Penny). Leonard and Sheldon’s geekiness and intellect are contrasted with Penny’s social skills. Two equally geeky friends of theirs, Howard and Rajesh, are also main characters.

Link: wiki entry

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Check out this webcomic called Polytopes

There seems to be 80 comics made at the Polytopes website (links to comic archive). Some are pretty funny but I’ll let you be the judge of that. The cast of characters are all polyhedra, with a couple of random ducks thrown in there.

Some of the jokes go right above my head. The most recent (#80) is basically an imitation of a popular comic called “Dinosaur comics” in which the creator uses the same image for each strip and just replaces the words.

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Identical lottery draw

In Bulgaria’s national lottery, the same six winning numbers were drawn twice in a row. Minister Svilen Neikov ordered an investigation after the
numbers 4, 15, 23, 24, 35 and 42 were selected, in a different order,
by a machine live on television on September 6th and 10th. Some thought the results were manipulated, however after an investigation there was no wrongdoing found.

A total of 18 people got all six numbers when they were
drawn the second time and each got $7,700. Nobody guessed right the first draw.

Mathematicians say that the chance of drawing the same six numbers in two consecutive rounds is about 1 in 4.2 million.

The following website has some calculations dealing with lottery math and whether it’s better to play 50 dollars in one lottery, or play one dollar in fifty lotteries.

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