Thursday

October 20, 2016
Number of results: 50,552

**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!!*

**Calculus i need help plz plz**

Integrate:Sinxcosx/a^2cos^2(x)+b^2sin^2(x))dx??? plz i need the full working too hard for me

*October 21, 2015 by Collins*

**Calculus i need help plz plz**

If y=ws^3/d^4 find the % increase in 'y' when 'w' increases by 2% and 's' decreases by 3% and 'd' increasee by 1%...... There a little error in the first question i post here it is plz i need the working and explanation

*October 18, 2015 by Collins*

**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*

**maths plz**

∫√(x²+1)/(x+1)dx plz show step i know it messy plz i really need it

*October 6, 2016 by Anonymous*

**Geometry i need hlp urgently plz plz plz **

The lenght of a line segement is of 10units and the co-ordinate of one end point are (2,-3) if the abscissa of the other end is 10 find the ordinate of the other end?? Working plz plz

*October 18, 2015 by Collins*

**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*

**maths**

plz i cerious need help i posted dis qustion bt due 2 my wrong typing it was nt anser plz here it is:x^4+3x-2/(x^2+1)=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+(Ex+F)/(x^2+1)^3+G/(x-4)+(Hx+1)/(x-4)^2.find ABCDEFGH? plz it a partial fraction thank yo u and Godbless u

*July 29, 2015 by anthony*

**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*

**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**

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 ...

*May 5, 2015 by Natalie*

**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*

**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*

**math **

identify the value of x that makes each pair of the ratios equivalent x:4 and 45:20 A.8 B.9 C.10 plz plz plz plz help me!!!!!!!! PLZ!!!!!

*November 2, 2015 by pankakes*

**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**

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 plz plz plz plz help plz .....thank you**

mark bought a notebook for $1.45 and some pencils that cost $0.42 each if the total cost was 6.91,how many pencils did he buy A.12 B.13 C.14 D.15 is 14 the answer plz help thank you

*November 23, 2015 by random rainbow*

**College Stats**

Is .09 less than .05?

*May 8, 2011 by Carol*

**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*

**stats**

The probability that an observation, following a normal distribution, will lie within μ ± 1.3σ is a. 9.5 % b. 19.0% c. 40.3% d. 50.0% e. 80.6%

*May 11, 2015 by meryy*

**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*

**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*

**social studies? i think idk**

what new ideas came from the automobile? plz help plz plz plz ASAP

*December 5, 2015 by Geena*

**Math ....urgent help**

i just don't 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*

**SS plz help me plzzzzzzz**

What are the two major forces that reshape earth? Describe how itworks. plz plz plz help me there are no answer choices hope u can still help

*November 18, 2015 by #AriannaGirl :)*

**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**

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*

**PLz help**

How was society before the automobile was invented plz help me I need it for my powerpoint

*December 4, 2015 by Jazzy@Sevensupergirls*

**Science **

Plz HELP me !!!!! I need to know a acrostic poem about safety plz help me it is due tomorrow

*September 7, 2016 by Maddie *

**maths calculus need help plz**

solve d^2y/dx^2+y=tanx show working plz i don't no it at all

*September 20, 2016 by dams*

**SS PLZ HELP ME ASAP**

What are the two major forces that shape and reshape earth? Describe how each one works. plz plz plz help me there are no answer choices hope u can still help

*November 18, 2015 by #AriannaGirl :)*

**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*

**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*

**Chemistry chlorine plz help**

A metal x forms two different chloride.if 12.g of chloride A and 16.3g of chloride B contain 7.1g and 10.7g of chlorine respectively,show that the figure agree with the laws of multiple proportions.write there formulea plz i need the work....no hint plz

*January 12, 2016 by Daniel*

**physics **

Plz plz answer this question..... I need this immediate.... "what is ment by the energy-mass relationship?explain it with the help of examples.....

*January 20, 2016 by Akbar*

**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*

**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*

**Maths equation plz help urgently**

0^x=100? Please help can complex number help plz show working find x i really need it

*January 3, 2016 by Anonymous*

**calculus help me plz**

integrate:dx/((x-1)sqrt(x^2-2) a tutor here direct me to a page but i do not know how to use it i tried but it did not show me any step...i need help plz

*May 5, 2016 by samuel!!!!*

**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*

**maths lit,geography,consumer studies and history**

I want to be a traffic cop I don't know if the subjects right or wrong:can I qualify to be a traffic with those subject plz I need help I m doing grade 12 this year I repeat plz help me I need information so that if I don't qualify I will try something else

*February 9, 2016 by allowance mokoena*

**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*

**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*

**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....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*

**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*

**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*

**Calculus also need help plz plz plz**

If z=1/(x^2+y^2-1) is x(dz/dx)+y(dz/dy)=-2z(1+z) or -z^2(1+z) note:dz/dx=partial derivative of x and dz/dy=partial derivative of y??

*October 17, 2015 by Collins*

**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*

**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*

**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**

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*

**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*

**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 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*

**English **

Plz plz i need the meaning of following words All ready, Already, All ways, Airs,hair

*February 2, 2016 by farhat*

**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*

**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*

**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 plz help its really inportant**

What is the function of the nucleus? Why is it the most obvious organelle within a cell?

*December 7, 2015 by awesomeguy123*

**genetics**

If a green eyes girl whose father is green eyeid marries a brown eye boy then what genotype the nxt generTION has

*April 21, 2015 by jazz*

**genetics**

If a green eyes girl whose father is green eyeid marries a brown eye boy then what genotype the nxt generTION has

*April 21, 2015 by jazz*

**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*

**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...*

**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*

**stats**

The mean tax-return preparation fee H&R Block charged retail customers last year was $183 (The Wall Street Journal, March 7, 2012). Use this price as the population mean and assume the population standard deviation of preparation fees is $50. Round your answers to four decimal...

*June 26, 2015 by megan*

**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*

**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*

**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*

**pscychology**

Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??

*March 11, 2009 by Logan:)*

**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*

**Maths plz help**

X^x+y^y=31 x+y=5 plz help i was told to use newton litrate method plz help

*December 18, 2015 by Collins*

**LA 2 questions plz help asap**

A. Action that begin in the past and continues in the present B. Action that begins and ends in the present C. Action that begins in the present and continues in the future**** D. future action that begins in the past, extends to the present and continues into the future 2) ...

*November 17, 2015 by #AriannaGirl :)*

**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*

**social studies idk**

how did the automobile negatively impact society???!!!?!?! PLZ help me I have been on it since morning plz pretty plz cherry on top help me

*December 4, 2015 by suzzie*

**Language Arts**

which of the following best explains how the author's use of flashback functions within the plot of the story? Im in connexus plz help

*April 26, 2016 by help*

**Math**

You own 80 mp3s. You plan to add 10 more songs every month. Represent this relationship to show how many mp3s you have for th nxt six months. What is the independent x varible?

*December 10, 2014 by Justin*

**ART**

HEllo i need help on mixing colors because at school i don't have enough of the needed colors. So plz tell me how to mix and get : Orange Green Yellow BROWN! (For the big tree im drawing) And purple thank you and answer ASAP plz!

*May 7, 2015 by Samantha*

**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*

**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*

**algebra**

A person works 3days @ $2.00 per...day one 5 hrs,day two 6hrs., day three 4hrs

*November 26, 2012 by Anonymous*

**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 i am not able to decide on a topic ...

*August 14, 2007 by Ms. Sue*

**stats**

is there a good, relevant sites where i can get stats extra help?

*October 11, 2007 by Keirson*

**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*

**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*

**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*

**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*

**NEED Math Help ASAP PLZ!!!**

I don't know how i got this question wrong. In a direct variation, the constant of proportionality is -3. Which of the following would be its equation? A) y = x - 3 B) -3y = x C) y = -3x D) -3 = xy I put A as my answer... but it says the answer is C! How is C the answer? PLZ ...

*December 18, 2015 by Scarlett*