Sunday, October 10, 2010

A Few of My Favorite Things

No, although my favorite things do not consist of raindrops on roses or whiskers on kittens...I do have a list of favorites. I just thought I'd take this opportunity to share with you all a few of my very favorite things.

Quotes
"If children have the ability to ignore all odds and percentages, then maybe we can all learn from them. When you think about it, what other choice is there but to hope? We have two options, medically and emotionally: give up, or fight like hell." -- Lance Armstrong

"I'm selfish, impatient and a little insecure. I make mistakes, I am out of control and at times hard to handle. But if you can't handle me at my worst, then you sure as hell don't deserve me at my best." -- Marilyn Monroe

"Distance is not for the fearful, it is for the bold. It's for those who are willing to spend a lot of time alone in exchange for a little time with the one they love. It's for those knowing love when they see it, even if they don't see it nearly enough."

"You know you're in love when you can't fall asleep because reality is finally better than your dreams." -- Dr. Seuss

"I've never felt like this before, I'm overwhelmed by an unbelievable amount of hatred for him, yet, I couldn't be more in love. It's like I want to throw him out into traffic, then risk my life to save him."

"Promise me you'll always remember: you're braver than you believe, and stronger than you seem, and smarter than you think." -- Winnie the Pooh

"I believe that everything happens for a reason. People change so that you can learn to let go, things go wrong so that you appreciate them when they're right, you believe lies so you eventually learn to trust no one but yourself, and sometimes good things fall apart so better things can fall together." -- Marilyn Monroe


Music
Rascal Flatts
Sam Adams
Justin Bieber


Books
Dear John
The Things They Carried
Are You There, Vodka? It's Me, Chelsea
It's Not About The Bike
I Hope They Serve Beer in Hell

Beverages
Sugar-Free Mike's Hard Lemonade
Skim Milk
Iced Nonfat Upside Down Caramel Macchiato
Bud Light Lime
Peppermint Hot Cocoa

Food
Sushi
Chicken Wings
Buffalo Burgers
Original Goldfish
Chicken Flavored Ramen
Broccoli Cheddar Soup

T.V. Shows
Jersey Shore
90210
Gossip Girl
Teen Mom
Parenthood
Real World
Desperate Housewives

Movies
The Last Song (minus Miley Cyrus, I'm sorry, she was just God-awful)
The Notebook
Old School
The Hangover
Footloose
The Breakfast Club

Vacation Spots (I have been to and love!)
Cabo San Lucas, Mexico
Sydney, Austrailia
Victoria Island, Canada
Block Island, Rhode Island, USA
Disney World, Florida, USA
London, UK
Rome, Italy
Santorini, Greece

Activities
Painting
Photography
Smiling (a lot!)

Monday, November 10, 2008

HW-
P=.8-true proportion
n=4-number of people polled
Find p(0), P(1), P(2), p(3), p(4)
Use nCr p^r(1-P)^(n-r)
Then use new formulas to find mean and standard deviation

Agenda-
  • Went over HW
  • People did #2 all parts on board (Mr. M told us we can't use parts of girls only whole girls)
  • Go over HW 10 groups went up to board
  • Adolfredo got an award and we got candy
  • Did HW 11
Notes-
Mean of probability distribution-

=sum of Prob(all diff events)(Value of event)

Standard Deviation-



Announcements-
POW Due Wednesday

Next scribe is Christiana

Wednesday, November 5, 2008

Linear Interpolation 11.03.08

Today we learned how to do a different way of computing numbers that aren't on the "z table".

Notes:
Figure out how to compute whats going on at the point 1.65.




We know the z table values for both points 1.6 and 1.7.




With knowing those points, we use them to determine the value of 1.65


In this picture above, you can see the points 1.6 and 1.7 on the curve as well as the point we want to know. We connected the two known points with a straight line, which is the same as the point found between the two points on the curve.



z table values:



1.6 = 0.8904



1.7 = 0.9109



Now we take these two points z table values to compute the value for 1.65 as follows:



(0.8904 + 0.9109) / 2 = 1.8013 / 2 = 0.90065 -----> z value for 1.65

"This technique will work to find most points not on the z table" - Mr. Marchetti

Things done in class:

  1. learned about linear interpolation
  2. go over HW9
  3. Classwork: A Normal Poll
  4. Mean and Standard Deviation of Probability Distribution

Homework:

  1. POW Revisions
  2. Quiz on Wednesday (up through HW7)
  3. Homework 10 (just introductory) and Read pg 410 both due on Thursday
  4. POW: The Knights Switches due November 10

Next Scribe: Drew

Tuesday, November 4, 2008

Standard deviations and binomial distributions (11-04-08)

Today we mainly focused on binomial distributions and how to determine the values of Z on the table. For example, we worked on homework 9 and Mr. Marchetti explained how to find the "gaps in the table." Basically, if we want to find the number between Z=1.3 and Z=1.4, there is 1/3 of difference between them. Then we determine the value by getting the difference between the values of Z=1.3 and Z=1.4. Then we divided the difference by .33.
After discussing homework 9, we talked about "A Normal Poll," Alex explained how to find the probability that Harriet's poll will show Henry as the winner by using a standard distribution table. Since the true proportion was .6 and the standard deviation .069, we used ratios to get the probability. Alex moved the decimal point of sigma two places to the right, so he used the following equation: 1/6.9=x/10, after cross multiplying, x=1.45. He used the table as a reference to get the value of 1.45 SD from the mean. The value was 82.5, then he divided 82.5 by 2 and added the result to 50, this was equal to 92%.
Then Mr. Marchetti returned the graded POWs and announced that POW 10 will be due next Friday. There is no homework for tomorrow, but there's a quiz on standard distributions and binomial probabilities tomorrow.

The Circus (Oct 31/Halloween!)

We talked about our halloween costumes for a small while at the beginning of class. 
Next we did 'Back to the Circus' pg 402... this was about a circus woman who wanted to stop really close to a wall on a bike. She wants to know when to put the brakes on and she wants to hit the wall only 5 % of the time. to solve this you must use your brain or look below for the answer

100-10 = 90 %
you do this because the normal distribution chart calculates for both sides of the curve so therefore you need to subtract 5% from each side which = 10

look at the chart at 90% and you will see the number SD and estimate the number. I got 1.65 as the SD. Then do a ratio. 
      1 SD  divided by .3 meters = 1.65 SD divided by X meters
this makes X equal .49 and then you add 2 because that is the median and you get to stop at 2.49 meters. 

Also did HW 9 in class but going over those in class tuesday....................... NO HOMEWORK!!! But.... there is a quiz on wed.:

Binomial Probabilities
3 Person Polls
Graph
Normal Distribution
Up to HW 7 
No table stuff
Answer:
Why can we approximate binomial distribution with norm distribution?

Reminder... you can retake end functions with this quiz. 

Next scribe= Marcus P 

Thursday, October 30, 2008

today in math

HW
Kings switches due 11/10
quiz wednesday
HW 9?

Today we had a wonderful hour and a half of math. Caitlin laughed, Lilli danced, keith sang a song about the heartland. Good times were had by all. Except for Camilla who huddled in a corner and cried like the little dark emo she is. But on a more serious note, let's talk mathematics. And imagine I'm tellin you this with an irish brooch.

Normal Table Page 398

This handy little table lists numbers of standard deviations, starting at zero and increasing by 0.1, and their corresponding area within the standard deviation of the mean. This comes in handy when finding percentages of natural functions that are between one and two deviations.

HW 8 Page 400

Using the natural table, we rationalized ways to find answers to questions similar to those we have done earlier in this unit. The main idea was finding percentages of graphs that lay between 1 and 2 deviations.

Back to the Circus page 402.

A circus stunt girl rides her bike towards a wall and would like to know how close she can start stopping while crashing only 5% of the time.

It was fun. Long live math