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November 23, 2014

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college,stats/ PLZ HELP:( need it within nxt 6hrs
Among Canadian households, 24% have telephone answering machines. If a telemarketing company contacts 2500 households find the probability that between 625 and 650 households, inclusive, have answering machines.
April 7, 2010 by Sandra

stats
In a sample of 500 college students fifty percent of all college students attend schools within 50 miles of their homes. The probability that the population proportion will be between 0.45 and 0.55 is (1) 0.4875 (2) 0.9818 (3) 0.4909 (4) 0.9750 (5) 0.5000
March 31, 2010 by sam

stats
A human resources manager at a large company wants to estimate the proportion of employees that would be interested in reimbursement for college courses. If she wishes to be 95% confident that her estimate is within 5% of the true proportion, how many employees would need to ...
April 15, 2010 by Chad

LIVING ENVIRONMENT
the ability to grow in size is a characteristic of living organism .Although an icicle may grow in size over time,it is considered nonliving because there is 1)an incerase in matter ,but no increase in the number of icicle. 2)an interaction between the icicle and the ...
February 12, 2013 by tania sharmin

I NEED HELP!!:(!!!! HELP ME PLZ!!
I GOT A FEW QUESTIONS SO what is a cell part that has the funcion of a gel-like material inside cells... and what releases energy into the cell.?? plz plz plz plz HELP!!!
October 20, 2009 by i really need help!!

stats
the dean of a college is interested in the proportions of graduates from his college who have a job offer on graduation day
December 19, 2010 by Anonymous

stats
The college student's average age is 33 and 42% are minority. How do I verify these claims without using a college website.
September 6, 2011 by Kim

eng- need it fast plz
need a word that has all these letters d, l, b, a , e, e, n, b plz been stuck for a while grade 2
October 19, 2009 by nany

College stats
Please help, I would appreciate an explanation on how you got the answer so I can understand it, being that I am so confused. The Denver Post stated that 80% of all new products introduced in grocery stores fail (are taken off the market) within 2 years. A grocery store chain ...
July 12, 2013 by penelope

grade 10 history
I have a SUPER HUGE project due called National History day and need lots of help with it, plz plz plz help!!!!!
January 20, 2013 by Macy

Plz,plz help!
Can you help me write: real-world scenario in which you would write an inequality rather than an equation? Plz, I really need help! :D
January 21, 2014 by Princess Anna

sociology
hi people actually i need 2 do a project on sociology for 20 marks n i cant decide which on a topic ca u all plz help n v also need 2 have a survey or 30-40 interviews plz plz plz plz help its urgent It would really help us teachers if you would write in standard English so we...
August 13, 2007 by aditi

stats of biologists
a manufacturer claims that the life time of a certain brand of batteries has a varaince of 5000(hours)^2. a sample of 26 has a variance of 7200(hours)^2. assuming that it is reasonable to treat these data as a random sample from a normal population, test the manufacturer's ...
February 14, 2013 by Aboli

stats
From previous records, a shipping company knows that the cost to deliver a small package within 24 hours is $15.50. The company charges $17.95 for shipping, but guarantees to refund the full charge if the delivery is not made within 24 hours. If the company fails to deliver ...
April 29, 2013 by Megan

stats
To estimate the mean score  of those who took the Medical College Admission Test on your campus, you will obtain the scores of an SRS of students. From published information you know that the scores are approximately Normal with standard deviation about 6.4. You want your ...
November 6, 2013 by Aman

statistics
In the past a certain college has found that 35% of the students will grad within 4 years. A random sample of 450 students at this college is taken and going to be followed until graduation. A. What is the sampling distribution of the statistic of interest? B. What is the ...
June 12, 2011 by danny

Statistics
What percentage of college students are attending a college in the state where they grew up? Let p be the proportion of college students from the same state as that in which the college resides. If no preliminary study is made to estimate p, how large a sample is needed to be ...
August 1, 2012 by Anonymous

Math ....urgent help
i just dont get this elimination method ..... plz help me plz.....teach me how to keep the x and y in a parallel line. and which number to multiply.....plz help -5x-4y=-11 10x=-6-y help me plz......
January 7, 2009 by vero

math
A water balloon is shot into the air so that its height h, in metres, after t seconds is h = —4.9t^2 + 27t + 2.4 a)How high is the balloon after 1 s? b)For how long is the balloon more than 30 m high? c)What is the maximum height reached by the balloon? d)When will the balloon...
January 23, 2009 by gagan

career aw
Can someone plz get a website all about photography for me I really need it for a project that is due tomorrow that my teacher assigned but i need a little bit more about what their daily tasks are?!?!?!?!?!?!? I REALLY NEED HELP!!!!! PLZ SOMEONE!!! THANXS
September 25, 2007 by Stacy

college algebra-plz help
a circle has the equation 3(x-5)^2_3y^2=12. Find the center and radius and graph the circle. find the intercepts, if any. plz show work
December 9, 2012 by James

College Stats
Is .09 less than .05?
May 8, 2011 by Carol

biology
a boy inherits genes for tallness,but his growth is limited as a result of poor nitrition. this is an example of 1)an inherited disorder. 2)environmental influence on gene expression . 3)expression of a hidden trait 4)a characterstic controlled by more than one pair of genes. ...
February 8, 2013 by tania sharmin

math need help plz
1/3+(-5/6)+(-1/2) can u help me solve this plz by using steps. thank u
August 24, 2009 by scooby91320002

Science
I need to observe and identify variables and I'm in 6th grade!!! Help, this work is killing me....It's scenario 1-4 and I have Mr Jones plz help plz
August 31, 2012 by Destiny

stats
This week we practice with Binomial Distribution. You can use Appendix Table E or Excel Function Binomdist. About 30% of adults in United States have college degree. (probability that person has college degree is p = 0.30). If N adults are randomly selected, find probabilities...
November 10, 2011 by mary

I NEED HELLLLPPPPP!!!!
Ive been looking all over and i cant find out if there is such thing as a carbon dioxide deficiency in hemoglobin (red blood cells)...i know theres an oxygen one called anemia but i really need one for carbon dioxide as a waste from the body....plz plz plz plz help me!! See ...
April 22, 2007 by said so

college stats
in a sample of 159,949 first year college students, the national survey of student engagement reported that 39% participated in community service or volunteer work.find the margin of error for 99% confidence. what formula do I use? I know the 99% interval for z is 2.576 n is ...
December 5, 2013 by hershi

Lang. Arts PLZ HELP!!D:
I need some info about how the building of dams effect whitewater activities such as kyaking and conoeing..!!!plz help
February 26, 2009 by Alysha

stats
8-A bakery stated that the average number of breads sold daily is 3000. An employee thinks that the actual value might differ from this and wants to test this statement. The correct hypotheses are: (1) H0 : ¦Ì = 3000 H1 : ¦Ì not= 3000 (2) H0 : ¦Ì > 3000 H1 : ¦Ì ¡Ü 3000 (3) ...
April 1, 2010 by Judy and group

calculus
How long will it take an investment to triple in value if the interest rate is 4% compounded continuously? i know its set up as 3x=x(e^rt) but im confused as what to do nxt
November 6, 2009 by helpless

calculus
How long will it take an investment to triple in value if the interest rate is 4% compounded continuously? i know its set up as 3x=x(e^rt) but im confused as what to do nxt
November 6, 2009 by helpless

Stats....PLZ HELP....
A bag of colored blocks contains the following assortment of colors: red (18), blue (14), orange (20), purple (14), green (10), and yellow (4). Construct the probability distribution for x.
October 25, 2011 by Jen

local and state gov.
someone plz i really need help plz i cant find it in my text so someone plz!!! For a democracy right??? search google: branches of Government Click Bens Guide to Government for kids (1st or 2nd link) Then when you get there select your grade level in the ballon... This shows ...
November 12, 2006 by Cole

trig
I need to find all solutions of the given equations for the indicated interval. Round solutions to three decimal places if necessary. 1.) 3sin(x)+1=0, x within [0,2pi) 2.) 2sin(sq'd)(x)+cos(x)-1=0, x within R 3.) 4sin(sq'd)(x)-4sin(x)-1=0, x within R 4.) sin(x)+1=cos(x), x ...
June 21, 2009 by Emily

stats.
All the following are measures of variability or dispersion within a set of data except? range, median, standard deviation, variance
April 13, 2013 by Linda

Basic Chemical Engineering
Can someone plz give me the link of the process flow diagram of a textile(dyehouse)? I only need to know the procedures of the main components in the dyeing section. Plz help!
October 5, 2014 by Jamie

Math Help plz!!! Really need help.
Use the Systematic Trial to solve this problem. Peanut-Pecan Problem Peanuts sell at $5/kg and pecans sell at $20/kg. Marika wants to make 30kg of a mixture of peanuts and pecans that will s ell at $10/kg/ How many kilograms of peanuts and pecans should she use? Help plz. Plz ...
November 28, 2006 by Jolley

Stats.....plz help me.....
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work. Errors Frequency 51-53 9 54-56 19 57-59 16 60-62 24 63-65 25
October 14, 2011 by Jennifer

college Stats
If Y has a geometric distribution with success probability p, show that P(Y= an odd integer)= p/(1-(q^2))
October 20, 2009 by james

Math PLZ help gtg to bed i need right NOW!!
What is the answer to 10 5/12 divided by 1 3/5???????? plz help me i have to go to bed like in 1 min. thanx
October 30, 2008 by Emily

randhills college life orientation
3 environmental health hazard that cause ill health, crises, and or disasters within your community or any other community within south Africa and globally?
February 19, 2013 by kabelo

science
1) what are five skills scientist use to learn about the world? 2) what are inferences based on? 3) why do scientist make models? ¢¾¢¾plz, plz help me.... i totally need help on this¢¾¢¾
September 21, 2009 by elenny

math
the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz
May 30, 2012 by parul

math
the volume of a rectangular solid is given by expressions given below.in each case find the dimentions of the solid. a)15x^2-51x+18. b)x^3+13x^2+32x+20. c)x^2-5x/2-3/2. d)x^4+x^3-x-1 plz everyone help me out.till 2 o'clock...plz plz plz
May 30, 2012 by PLZ HELP ME NOW...

Stats
Researcher wants to estimate the proportion of Canadians that are over the age of 65, accurate to within 2% using a 95% confidence interval. What is the minimum number of people that should be sampled?
June 5, 2014 by Farah

English
i need help putting this para into easier words plz Soldiers and military personnel are too often glorified and widely regarded as heroes, which promotes the idea of war within society. However, its harsh realities are left largely ignored, and many are fooled by the ...
March 31, 2012 by Navroz

pscychology
Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??
March 11, 2009 by Logan:)

math
Tim wants his mean (average) quiz score in history class to be 90. His first 3 quiz scores were 86, 92, and 94. What score should he make on the 4th quiz in order to have a mean (average) quiz score of exactly 90? I really need the answer ! PLZ PLZ PLZ ! cant figure it outtt...
June 2, 2012 by felicia

accounting.plz urgent
If an item is purchased with terms of 2/EOM, n/60, there is a discount for paying within 60 days
March 30, 2011 by ashh

SCIENCE!!--ANONYMOUS PLEASE ANSWER MY QUESTION!
plz answer the question we were talking about plz plz. Go back to the problem. I got 184 but the worksheet answer says 136 which is correct?? plz help!! thx
September 13, 2010 by Happy Face

childcare
will someone plz help with this....thanks Provide the titles, authors, publishers, and copyright dates of two picture books concerning children with disabling conditions. The copyright dates should be within the past five years. Note: The books’ copyright dates should fall ...
July 20, 2010 by Ms.Dionn

algebra
amy can rake leaves in her front porch in 2hrs. Her younger sister can do it in 6hrs. How long will it take them both to do the job if the work together?
May 7, 2012 by maram

stats
How large a sample should be taken if the population mean is to be estimated with 99% confidence to within $72? The population has a standard deviation of $800 Please Help, im stuck
November 17, 2008 by ks

physics!! plz answer me!
A 0.15 kg baseball moving at +26 m/s is slowed to a stop by a catcher who exerts a constant force of -390 N. How long does it take this force to stop the ball? How far does the ball travel before stopping? plz plz plz help!!
December 10, 2007 by julia

NEED HELP PLZ!!! STATS
Three cards are selected, one at a time from a standard deck of 52 cards. Let x represent the number of tens drawn in a set of 3 cards. (A) If this experiment is completed without replacement, explain why x is not a binomial random variable. (B) If this experiment is completed...
October 23, 2011 by Jennifer

AP Stats
Surveys indicate that 5% of the students who took the SATs had enrolled in an SAT prep course. 30% of the SAT prep students were admitted to their first choice college, as were 20% of the other students. You overhear a high school student say he got into the college he wanted...
January 2, 2009 by Stephanie

sociology
How about -- class structure in your town or school? prejudice about a particular ethnic group? classroom group projects? perceptions about authority figures? sorry i wrote in dat language i need to do a project in sociology for 20 marks and iam not able to decide on a topic ...
August 14, 2007 by Ms. Sue

chem
stilll didnt get it .. .. can u plz explain in detail ... how did u get the answer.. plz plz plz plz plzp l zp thnks Bond enthalpy is the energy required to break a mole of a certain type of bond. O=O = 495 kj/mol S-F = 327 kj/mol S=O = 523 kj/mol Use average bond enthalpies ...
November 12, 2008 by DR BOOBB Plz HELP

Lang Arts Debate..PLZ HELP!!!
ok there seems to be a lil confusion. the question was not fer my own personal...needs i quess. We r doing a debate in lang arts about wether a dam should be built or not. my character is marta kanu so i need info about how dams would affect whitewater rafting, canoeing, ect. ...
February 26, 2009 by Alysha

persuasive essay!!
Is it better to go to college and be successful or open your own business without a college degree? Need help writing thesis. What are some benefits of going to college rather than not going to college and opening your own business
March 24, 2008 by Taniya

science...plz help
What happens to the circulatory system when the red blood cells malfunction? and is there a disease with hemoglobin not taking carbon dioxide out of the body correctly or fast enough....plz plz help me..i really need this http://members.aol.com/profchm/saba.html
April 22, 2007 by g

Ms.Sue (ONLY)
can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"
March 7, 2012 by sammie doodles :-)

stats
is there a good, relevant sites where i can get stats extra help?
October 11, 2007 by Keirson

stats (please help)
Assume that the population of heights of male college students is approximately normally distributed with mean  of 69 inches and standard deviation  of 3.75 inches. Show all work. (A) Find the proportion of male college students whose height is greater than 70 ...
July 21, 2011 by Celest

computer
Hi my question is that that i`ve downloaded mozilla now my question is that by mistake i pressed a button and screen became too small of that site now how shall i make it back to normal as large as it was??? plz i need help coz i have to study so plz help me.
June 30, 2009 by Bilish1

AP Stats
If you know that a randomly chosen person 25 years of age or older is a college graduate, what is the probability that he/she is in the force labor? Show your work. Given for college graduates: total pop = 51,582 in labor force = 40,390 employed = 39, 293 I tried using the ...
December 17, 2008 by K

stats
In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native language is Spanish to a bilingual program for 8 week. To test the effectiveness of this program, then also need a control condition, in which the ...
March 1, 2009 by ash

stats ?
In order to improve the English speaking and reasing skills of their students, Jack Box Elementary assigns students whose native language is Spanish to a bilingual program for 8 week. To test the effectiveness of this program, then also need a control condition, in which the ...
March 2, 2009 by ash

stats
How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when using a 95% confidence interval? I was told last night that there would be an answer in a couple of hours?????????????????????? today is another day...
October 7, 2010 by theresa

algebra
A person works 3days @ $2.00 per...day one 5 hrs,day two 6hrs., day three 4hrs
November 26, 2012 by Anonymous

STATS HELP
Freshman-sophomore retention rate (FSRR) for a college is the proportion of first-year students who return to the college for their sophomore year. Nationwide, the mean FSRR for colleges in the U.S. is 75%. Use the 68-95-99.7 rule to describe graphically the sampling ...
November 1, 2009 by Chelsea

MATH
I need help on this question plz The mean of Five numbers is 28. Two of the numbers are the same. If three of the numbers are 20,25, and 35,what are the other two numbers? plz write back asap thanks
March 22, 2011 by ST

chemistry
In the Michaelis-Menten equation, KM = Ks only when the equilibrium assumption is valid. Which of the following conditions would have to be satisfied for Ks to be within 10% of KM? 1. k-1 = 0.9 × k2 2. k2 = 0.09 × k1 3. k2 = 0.9 × k-1 4. k-1 = 9.0 × k1 5. k2 = 0.09 × k-1 IM ...
April 3, 2010 by Jerry

Stats
A large population has a mean of 200 and a standard deviation of 40. Which one of the following best describes the percentage of measurements that fall in an interval that is within two standard deviations of the mean?
September 14, 2012 by Natalie

English - Thesis Statement on Life of Pi
a) how is life of pi a story within a story within story? ( i know the first part a story within a story, but the other within the story, i am confused) b) i am going to write an essay about story telling on Life of Pi by Yann Martel and so far have ideas such as the type of ...
August 21, 2010 by Shaila

stats
The following data were obtained from a survey of college students. The variable X represents the number of non-assigned books read during the past six months. x 0 1 2 3 4 5 P (X=x) 0.20 0.25 0.20 0.15 0.10 0.10 Find P( X > 1)
March 10, 2013 by cate

Stats
the average placement test score of a sample of 64 students out of 1000 registered at a community college is 70 with a standard deviation of 15. Construct a confidence interval with a 5% chance of error.
April 6, 2014 by D

health HELP PLZ AND THANK YOU!!
If I had magical powers and could do one thing to make my friends, my family, my neighbors and my teachers just a little bit more heart healthy, I would ... could i have some ideas on what to write about?? plz and thank u:) p.s. would need to involve all the people listed ...
February 23, 2009 by beecca

English.. Literature... books
can u give me multiple choice questions from the "examview" on the story "A Noiseless Flash" from Hiroshima by John Hersey ... i really need to practice this selection. Plz if u can, copy and paste the questions because the link you might send me would not work ... "Laptob ...
March 11, 2011 by tara

Math
Ben takes 6hrs to get a job done & Ted takes 11hrs to get the same job done. If they work together how long will it take them?
June 12, 2011 by Angel

Plz someone Chem Urgent Help
The overall energy involved in the formation of CsCl from Cs(s) and Cl2 (g)is - 443 kj/mol. Given the following information: •heat of sublimation for Cs is +76 kj/mol, •bond dissociation energy for ½ Cl2is +121 kj/mol, •E(11) for Cs is +376 kj/mol, and •E(a) for Cl2is 349 kj/...
January 16, 2009 by Samenia

Statistics
I need to do a project for ap stats. It can be anything im interested in, and i have to perform some tests and all that I need some ideas!! Somthing that would be interesting..
May 28, 2008 by MJ

english
im in college and i need to know what are genres and can you give me a few sentences to use in how my reading has influences my writing and give me some design texts to my writing skills. i read recently in a magazine on credit , relationships,mental health and can you give ...
August 23, 2005 by patricia

College Anatomy
Within the nervous system, the (a) are to the ganglia as a tract is to a (b).
October 24, 2013 by Elaine

Stats
2) Find the minimum sample size that should be chosen to assure that the proportion estimate p will be within the required margin of error, .06. Use a 95% confidence interval and a population proportion of .7. The critical value for a 95% confidence level is 1.96
June 14, 2011 by Eric

Physics plz
Do any teacher here have an email plz becouse I want to send some pictures for question ,,, physics plz or how can I attach picture here ????
June 12, 2013 by Maryam

Salary Related - Stats question
The monthly starting salaries of students who receive engineering degrees have a standard deviation of $600. What sample size should be selected so that there is 0.95 probability of estimating the mean monthly income within $150 or less?
November 25, 2009 by Desire

Math
The college president asks the statistics teacher to estimate the average age of the students at their college. How large a sample is necessary? The statistics teacher decides the estimate should be accurate within half year and be 92% confident. From a previous study, the ...
September 21, 2014 by Don

math
hi im in 5th grade i need help with naming angels like e.g right angel,acute,obtuse i lost my thing to measure angels plz help! lol i need it done today tomorrow i need to give it back!!
October 20, 2009 by Areta

stats help!
thank you in advance! in a given year the college admissions office accepts applicants from students, who are then either accepted or not accepted. accepted students may or may not decide to attend college. suppose the scores on a certain entrance exam for applicants of murphy...
January 12, 2011 by ashley

Mathematics
If a man and a half finishes a job and a half within a day and a half, how many men can finish 3 jobs within 3 days. Please I need help, I am not so sure with my answer of 6. I would like to verify it. THANKS
June 25, 2013 by xavier

Stats. Class
a. What sample size would be needed to estimate the true proportion of students at your college who are wearing backpacks, with 95% confidence and and error of +/-0.04? b. What sampling method would you recommend? Why?
April 18, 2014 by Katie

world his
Describe the major classical period trading patterns within and among China, India and the Mediterranean? The major classical period trading patterns within China, India and the Mediterranean are: Expanded territory – added southern rice valley Feudal system Weights, measures...
September 5, 2009 by Anonymous

PLZ HELP....STATS
You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
October 23, 2011 by Jennifer

C++ Programming
Design and create a class named Stats that has an array of 12 doubles as one of its member variables. The values in the array should be set by making 12 calls to a public member function named setValue that accepts two arguments, an integer indicating which value is being ...
June 8, 2010 by kyuu09

Math (quick check plz)
hi i rearranged these terms into y=mx+b can you plz check and see if they're right? 1. 2x+5y-16=0 2. 4x-3y-6=0 3. 3x+y+2=0 1. 5y=-2x+16 2.3y=-4x+6 3. y= -3x-2 tnx ^^ On the first two, you need to divide each side by the coefficent of y. On two, what happened to the negative ...
March 19, 2007 by gorden

stats
using a calculator need p value on a r tailed test if the n=9 and the t is 3.204
December 2, 2011 by James

Stats
Need help finding the area under the normal curve between z = -1.0 and z = -2.0?
April 16, 2014 by Betty

Stats...is this correct??
Scores on the Stanford-Binet Intelligence scale have a mean of 100 and a standard deviation of 16, and are presumed to be normally distributed. A person who scores 68 on this scale has what percentile rank within the population? z = (68-100)/16 z = -32/16 = -2 So would it be ...
October 18, 2011 by Jen

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