Tuesday
May 3, 2016

# Search: Stats- need someone to check

Number of results: 59,709

math
100 people set up a phone call system so that the initial contact person call three persons, each of whom calla three persons,and so on until all have been contacted. The maximum people who do not need to make calls is? Very Simple Question How would you solve it: (1+x^2)(1-x^...
October 7, 2006 by Monica

Stats
Could someone please explain to me how I would read a z table. I have a z score of 2.2 and I need to know what the percentages is. Then if I'm given 8% how do I find the z score?
March 5, 2013 by Bonnie

Pre Algebra Math
Hi I rlly need someone to check my answers ASAP, and I need help on number 5, im totally fried >.< I can't get any attachments up, but any of you took the Polygons and Angles Quiz? Pretty plz with cherries on the top I need help!
November 17, 2015 by Kiki

Algebra
Hello, can someone help me solve and check the following 1) x - 8 = 20 Check: 2) x + 15 = 35 Check: 3) -x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course.
January 8, 2010 by Tamir

Algebra
Hello, can someone tell me if I got the following solve and check work correct? 1. solve and check 1/2x = 3 5/6 1/2x = 3 5/6 1/2x = 23/6 3x = 23/3 x = 23/3 And to check for it 1/2x = 3 5/6 1/2x = 23/6 46x = 6 x = 6/46 x = 3/23 2. Solve and check 3x + 2 / 2 = 7 3x + 2 / 2 = 7 ...
April 13, 2010 by Tamir

TO MS SUE
Please check my answers to my question, I posted this question before but no one answered or helped me. All I need is for someone to check my answers :)
September 24, 2014 by Bella

science
Can someone help me with mechanics. I need to check my answers
January 31, 2014 by Anonymous

PERSON!!!!!
I have no money at all no credit card or checks or anything! So can someone please tell me where to get a free background check or free record check?? I really need this please!!
February 14, 2011 by NEEDS HELP!!

Math 222
I need someone to check this to see if I am doing it correctly. k^3+k k^2+k-42 k(k^2+1) (k+7)(k+6) k=-7 k=6 (-0,-7)(-7,6) (6,0)
April 2, 2015 by Raven

Stats
Of 43 bank customers depositing a check, 18 received some cash back. (a) Construct a 90 percent confidence interval for the proportion of all depositors who ask for cash back. (b) Check the normality assumption.
April 18, 2014 by Kevin

English and grammar
i need someone to check my work but i cant just copy it and paste it here. i need to send it via e-mail. please give me your email add and ill send it to you. thanks
November 25, 2012 by john

Math 157
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
December 8, 2010 by Rena

Math Check
Hi! Can someone check this for me? My teacher wants me to write the system of equations that will correspond to the final matrix. I have the matrix already, but I need help with the writing the system stuff. Thanks! Matrix: [-10 2 | 48] [-5 -6/4 |-9] My answer: 10x+2y=48 -5x+-...
March 24, 2015 by Yuri

Math
Can someone please help me. At a quality control checkpoint on a manafacturing assembly line, 10% of the items failed check A, 12% failed check B, and 3% failed both checks A and B. a. If a product failed check A, what is the probability that it also failed check B? b. If a ...
December 8, 2010 by Rena

ENGLISH
I Need Someone to check my essay for me and give me some input please.
January 12, 2013 by STACY

algebra
Of the two fractions 15/21 and 19/17 which is smaller? I think its 19/17 but need someone to double check please.
May 30, 2012 by tony

Algebra
Could someone check this for me please? The equation is 2/x+3 = 4/x+7, and I think the answer is x=1, I just need help showing the steps of how to get there if anyone knows? Many thanks for any help
May 5, 2010 by Dereck

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

Math
I need someone to check my answer, can someone please help me? Here is the problem: Business and finance. In a bottling company, a machine can fill a 2-liter (L)bottle in 0.5 second (s) and move the next bottle into place in 0.1 s. How many2-L bottles can be filled by the ...
August 3, 2009 by Anonymous

Math
"Find the slope of the line passing through J(0,5) and K(-1,2)" I did the problem but I just need someone to check if its right. my work: M= y2 - y1 -------- x2 - y1 M= 2 - 5 ----- -1 - 0 M= -3 ---- -1 M= 3 Thank you.
March 4, 2014 by Kylee

Stats- need someone to check
Doing this assignment and was wondering if i got the right answers According to the Census Bureau publication Current Population Reports, the probability distribution for household size (number of people per household, say X) in the United States is as follows. For the ...
February 7, 2011 by Ryan

Algebra2
i was wondering if someone could check the answer i got for this math problem 7+2(5-2*9) = 243 I got -19 I think you're supposed to do the parentheses first...but within that, you're supposed to do the multiplication and THEN the subtraction, and then mult it by 2....then add ...
July 20, 2007 by Anonymous

stats
Use this z-score formula for this problem: z = (x - mean)/(sd/√n) x = 1.25, 1.50 mean = 1.35 sd = 0.25 n = 40 Calculate two z-scores, then use a z-table to determine probability between the two scores. I hope this will help get you started. •stats. - Christina, Monday, ...

STATS
Scientists wish to test the mind-readiing ability of a person who claims to have ESP. They use five cards with different and distinctive symbols( square, cicrle, triangle, line, squiggle). Someone picks a card at random and thinks about the symbol. The mind-reader must ...
October 17, 2011 by JONATHAN

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

rounding numbers
I need to to round 423,607,492 to the ten thousands. I then need to round it to the million. Can someone help me. I will be happy to check your work. Which numeral is in the ten-thousand place in this number? Which numeral is in the million place? Once you have those ...
April 18, 2007 by Don

I need someone to check this
Add and Simplify: 100x/x+10 + x^3/x+10 I have the answer as X^3+100x/X+10 is this correct?
October 12, 2008 by Jennifer

I posted these a little while ago but this time I have answered them. 1. Does the graph of y = x – 3x2 + 5 have a maximum or minimum? 2. What is the vertex of the graph of y = -2(x - 3)2 + 4? 3. Does the graph of y = -2(x - 3)2+ 4 open up or down? My answers: 1. I cannot ...
November 27, 2007 by JaneLee

Math
Can someone please check my answers below for accurateness? The instructions are: Differentiate and simplify. 1) y=(2x^2+3x-1)(3x^2-5x-3) y'=(4x+3)(3x^2-5x-3)+(2x^2+3x-1)(6x-5) 2) y=(5x^2+3x-1)(3x^2-5x-3) y'=(10x+3)(4x^2-3)+(5x^2+3x-1)(8x) 3)y=6x^3-7x^2+5x-7+x^(5/3)-7/(x^3) y...
August 7, 2009 by Christine

mechanics/motion
Can someone help me with mechanics. I need to check my answers
January 31, 2014 by Anonymous

English
I really need someone to check my answers so please check. 1.) Hurry down the hall for your next meeting. Phrase: down the hall for your next meeting Verb: hurry Subject:(you)
November 7, 2015 by Katrina

FRENCH WORK ASAP
please please someone check my work I don't understand it fully so I am asking if someone could please check my work thank you if it's too much I'm sorry. God Bless
January 21, 2009 by Hellokitty1993

Human Disease
I am really stuck and am in need of websites or someone to point me in the right direction. I am doing a research paper and need to know what body systems may be affected by obesity? Can someone help me please?
September 11, 2008 by Anonymous

math
Could someone check my answer? I need to figure out the equation of the circle given the center of (-9,0) and radius of 7. (x-(-9))^2 + (y-0)^2 = 7^2 answer(x+9)^2 + (y-0)^2 = 49 is this correct?
September 20, 2009 by sam

Math - Could Someone Check My Work?
Could someone check my work please? Thank you! (14a^2b)(2ab^2c) = 28a^3b^3c (a^25)^7 = a^125 6x^6 ∙ 6x^6 = 36^12 (2x^2)^3 = 8x^6 (-2)0 = 1 30x^20/(6x^9 = 5x^11 4x^5 ∙ 6x^6 = 24x^11 (2x^4)^3 = 8x^12 -4^2 = -16 -(193)^0 = -1 (-193)0 = 1 (-5)2 = 25 ((6x^7)/(2x^2 ))^2...
February 10, 2016 by Sami

Spanish Preterite Check!!!!
Could someone tell me if these are the only things that I need to know for the Preterite? - the time expressions -the ar and er/ir endings -the car,gar,zar endings for the yo form - no written accents: ir,ser,ver,dar are there any other irregular endings? I think what I wrote ...
May 26, 2010 by Amy~

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

Math
I need someone to check and go over my answers to make sure they are correct and if not could you go over them with my on why and how to solve correctly?? Thank you much appreciated.. Add. -4/5 + (9/20) = 5/25 1 + (-2) + 3 + (-4) = 10 5/3 + (-4/3) + 5/3 = 6/3
September 1, 2009 by Anonymous

Math
I need someone to check and go over my answers to make sure they are correct and if not could you go over them with my on why and how to solve correctly?? Thank you much appreciated.. Add. -4/5 + (9/20) = 5/25 1 + (-2) + 3 + (-4) = 10 5/3 + (-4/3) + 5/3 = 6/3
September 1, 2009 by Anonymous

ALGEBRA
I NEED SOMEONE TO CHECK THESE PLEASE!!! IF B IS REPLACED WITH A NUMBER THAT SHOWS THE RELATIONSHIP INDICATED IN THE TABLE, ARE THESE ANSWERS CORRECT? Y = -X + B X Y 1 0 2 -1 8 -7 10 ? 20 ? 40 ? SO, y=-1+1=0....y=-2+1=-1.......y=-8+1=-7........y=-10+-3=-13...y=-20+1=19.....y=-...

math
PLEASE HELP Could someone check my answer? I need to figure out the equation of the circle given the center of (-9,0) and radius of 7. (x-(-9))^2 + (y-0)^2 = 7^2 answer(x+9)^2 + y^2 = 49 is this correct?
September 20, 2009 by sam

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

My brother said I did this wrong can someone check this for me please X Y-1 = sum(x)+ (y-1)=(X+y-1) diff(x)-(y-1)=(x+y+1) Product (x) (x-1) = (xy-1) = (xy-1)
September 19, 2013 by tela

Stats
Think I know the answer, but can someone please confirm... Find the value of a that corresponds to a confidence level of 84%. Answer: 0.16???
September 13, 2008 by Cassy

Math, Can someone check my answers?
Can someone please check my answers? Tell whether the given equation has the ordered pair as a solution. 11. y = 6x;(3,16) 13. y = -4x; (-2,8) 15. y = x - 3/4; (2,1 1/4) Answers: 11. Not a solution 13. Has a solution 15. Has a solution
October 31, 2014 by Phoebe

What data and stats do you need to know in order to identify profitable nations in which to export.
October 5, 2012 by Lisa

Calculus
Hi, I need someone to double check my answer because it doesn't seem right to me. Find the centroid of the region bounded by y=0 and y = x^2 -2x. I calculated the area to be 4/3 and centroid (1, 0.4)... is that correct? Thanks in advance!
April 18, 2011 by Monica

Algebra Can someone who is serious respond
Can someone check my answer please? Find the corresponding y values for x= -2,-1,0,1,2,3 if y= x^-x-2. My answers are under Y. X Y -2 -4 -1 -2 0 -2 1 0 2 4 3 10
November 20, 2007 by Alicia

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

Spanish
I need someone who know a little bit of Spanish. I am having trouble learning the jugar verbs. I need someone who knows them and is willing to teach me. Thanks, Taylor
March 5, 2008 by Taylor

stats
Suppose that f(x) = 1:5x2 for -1 < x < 1 (0 elsewhere). Determine the following probabilities: (a) P(X > 0) (b) P(X > 0:5) (c) P(-0.5 < X </= 0.5) (f) Determine x such that P(X > x) = 0.05 (g) Find the cdf of X. could someone just get me started , I don...
October 8, 2014 by sara

Stats
So i have a test in stats tomorrow and im trying to work on my study guide but im stuck at this question : Construct a confidence interval for the proportion for each case 90 percent interval 861 out of 2500. please help.
October 19, 2014 by Jessica

Alg 2
Ok heres another factoring that I need someone to check Problem: -x^3 + 27 -(x^3 - 3^3) So I moved the positive and found out what cubed would make 27 Using the forumla: (a-b)(a^2+ab+b^2) -(x-3) (x^2 + 3x + 9) Right? Or did I make a mistake?
January 7, 2009 by Chopsticks

Math
Ok heres another factoring that I need someone to check Problem: -x^3 + 27 -(x^3 - 3^3) So I moved the positive and found out what cubed would make 27 Using the forumla: (a-b)(a^2+ab+b^2) -(x-3) (x^2 + 3x + 9) Right? Or did I make a mistake?
January 7, 2009 by Chopsticks

english
i need someone's help What do you need help with? Please put your question on the board and someone will be more than please to help. thanks for asking Jiskha.
October 28, 2006 by chandani

Spanish 3
Hello! I need someone to check over my Spanish answers and see if I have them right. And if I don't, can someone please help me? Thanks a bunch! :) Directions: Re-write using Direct and Indirect Object Pronouns when needed. 1.) I read the book to Helena. My answer: Leí el ...
January 6, 2015 by Stephanie

previous post
has anyone read my 4 previous posts? I really need someone to check my answers. Please be patient, Erin. Our advanced math teachers are not online right now, it seems. =)
July 28, 2007 by erin

I posted this before can someone please check my answers and help me thanks:) 2 rectangles have equal areas determine the area of each rectangle then use this info to determine the perimeter. rectangle one: length of 2p + 3 width of 3.8 after my work i got p= 1.5 so the area ...
June 2, 2013 by Rihanna

Accounting
A check returned by a bank because the issuer's cash account balance could not cover the check is called a(n): a. Cancelled check b. Certified check c. Outstanding check d. NSF check
October 18, 2012 by Anton

I need help with someone to go over my eassy with me can someone please help me.This is my first time using this site so I don't know how it really works SOMEONE PLEASE HELP ME!!
October 27, 2010 by jennifer

biology
so i have this 5-3 gene sequence and i need to transcribe it to a polypeptide and im not sure my trascription is right could someone check gene sequence(ACCTGATGGCCGTTAATCTATTTAAGGCCTGAAGTAACGTATGG) trans(ThrTrpProLeuIleTyrLeuArgProGluValThrTyr)
August 5, 2014 by bio

Stats
Five chips numbered 1-5 are placed in a jar. Two chips are drawn. Let Z= the sum of the numbers. WHat is the expected value of the random variable? I know I have to use E = np Can someone explain?
May 26, 2009 by MW

early childhood in language arts
to be an effective worker in an inclusive early childhood classroom, you: A. Need a great deal of special training B. Must have prior experience in a pediatric care environment C. Need to think of exceptional children as different D. Will need to collaborate with other ...
September 6, 2011 by Vanessa

I really need help!
Hi, I really need instructions. Can someone please tell me how to make a coordinate plane and a rectangle on the plane in Microsoft Excel 2013 please? I really I need an answer soon because this is due today!!!! Please someone help fast! Thank You :/
April 24, 2015 by MusicLover14

History of health care
Please check my answer thanks :) If you need to talk to someone about getting additional coverage to Medicare Parts A and B what organization should you contact ? I am not to sure is it Blue cross and Blue Shield
February 19, 2008 by Ashyleah

English
Can someone please check this sentence. I want to make sure I DONT need a comma in the sentence. THANKS! I have found her to be extremely competent in areas by exemplifying her creativeness through many challenges she has taken upon herself.
March 3, 2011 by april

Math
Could someone please explain this problem to me. I need to factor and check by multiplying. 7x^9y^7+35x^7y^6+35xy= Here is what I got but I don't think that it is right. 7x^9y^7+35x^7y^6+35xy= 7xy(x^8y^6+5x^6y^5+5) Is this correct? Thanks.
April 26, 2010 by B.B.

Asap can someone pplz check these answers
Please check my answers I have 2 do other things right now
January 26, 2009 by Remy

You need to give examples for someone else if they would need help on controlled experiments which includes pictures that you give and someone tells if it is a controlled experiment or what the variable is
September 15, 2008 by Danielle

0.6x + 4 < 1.0x - 1 6x + 40 < 10x - 10 4x > 50 x > 12.5 can someone please check my work and tell me if I am right?
July 30, 2010 by Michelle

math
If you earn the grades of 81, 84, 78, 80 in four tests what should your final test’s score be in order to have an average of 81%? .81x400=324 Need a total of 324 pts Test grades so far 81,84,78,80 = 323 324-323=1 You need at least one more point to get an 81 Can someone please...
September 10, 2009 by Kay

Stats
Can someone please explain how to find the frequency from: Lower limit:230,240,250 upper limit:239,249,259 Mid Value:234.5,244.5,254.5
September 3, 2012 by Alexander

Stats
About 35% of the population has blue eyes (based on a study at Indiana University). a. If someone is randomly selected, what is the probability that he or she does not have blue eyes?
November 14, 2012 by Yolanda

English
1. You need to check the time. (What kinds of time should be checked acording to the sentence? Does ' check the time' have a lot of meaning according to the context? Does it also mean "Check what time it is now.?"
September 9, 2010 by rfvv

Calculus
I need to find the second derivative of y=x(x-1)^1/2. I found the first derivative is 2x-1/2(x-1)^1/2, if someone could check, but I am miserably stuck on the second derivative.
April 18, 2011 by Amie

Physics
A basketball player, standing near the basket to grab a rebound, jumps 73.6 cm vertically. How much time does the player spend in the bottom 15.4 cm of the jump? Ok...after this I swear I'm done! I just need someone to check my final answer, which is 0.0858 s.
October 10, 2007 by Lindsay

Math Check
Hi! Can someone check my answers? Thanks! Directions: Solve each system by using the elimination method. Make sure to write your answer in (x,y) form. 1.) 3x-5y=2 2x+5y=13 2.) 3x+11y=4 -2x-5y=9 My answers: 1.) (3,7/5) 2.) (-17,5)
March 4, 2015 by Heather

Math
I need someone to please check my answer for me... add. -1.6 + (-2.3)= the answer I got was -3.9 is this correct? if not could you tell me why and how to get the correct answer..? thank you
September 1, 2009 by Anonymous

...English...
For someone to struggle for freedom (any sorts of freedom), do you need to be committed? And if you do, what are some ideas how being committed is helpful to attempt to gain freedom? I thought of one point, I know you need to be committed to gain freedom because you need to ...
November 24, 2007 by Anonymous

Very Important I can get someone to check these for me... I have to get an A, and I was wondering if someone could double check these for me. I am about 95% sure they are right, but just need a fresh set of eyes. I know I've been sending alot, but I really need them to be ...
April 2, 2011 by Brittany

Stats
Angela is conducting a poll on campus to determine the next student representative. How many students does she need to sample for a confidence level of 90% with a margin of error of + or - 5%?
May 14, 2011 by Ana

math
There are 160 patients. 3 of 4 patient gets BP check, how many of them need check?
March 30, 2016 by Jonny

stats
A normal population has mean 100 and variance 25. How large must the random sample be if we want the standard error of the sample average to be 1.5? I know the answer is 12. Would someone please be able to explain! and share what formula they used
December 3, 2014 by sam

Probability/ Stats
Assume that it is known that 95 percent of the launching of satellites into orbit are successful. What is the probability that in the next four launching there will be. Not sure where to start. can someone help me with steps on how to find the answer?
October 19, 2015 by Megan

can you please check my answers to the questions i realy need to check them if they right or wrong
February 15, 2012 by sososola2012

MATH :)
For each of the following measurements state the number of significant digits: A length of 2.3 meters A volume of 0.65 liters A time of 0.0004 secs A population of 65,000,000 A distance of 1.30 x 104 I got: 1. 2 2. 2 3. 1 4. 2 5. 2 Just need someone to check my answers please ...
November 30, 2013 by Katie

Art
Thank you very much. I still need you to check a few urgent things, Writeacher. 1)The line is engaged. Would you hold? Would you like to hold the line? Would you like to hang on/hold on? Which are possible? 2)You needn't have bought the milk; there was some already/there was ...
May 20, 2012 by John

Grammar and Composition
please check these: Divide each of the following words into its prefix, root, and suffix. some words may not have a prefix or a suffix. WORD misused subscribe distorted regression deported interruption prefix dissection postscript implacable PREFIX mis sub dis re de ? pre ? ...
October 14, 2009 by y912f

french
I need a paragraph telling about myself but i need someone to check it for me. Bonjour mis amis. Je m'applle lisa. Je suis vingt ans. Mon couleur preferee est le bleu. Mon saison preferee est l'automne. Je suis drole, actif, et intelligent. J'ai un appartment a New York. Je ...
November 20, 2010 by lis

Chemistry URGENT
I need someone to check to make sure that I balanced my equations correctly. I have to add a (g) or (s) to indicate gases and precipitates. I am having a hard time figuring out the ions and how to add them, if any of these reactions need a ion could you explain it to me as ...
April 24, 2014 by jazz

Will someone please check my answers as I need lots of help in science. 1. Which of the following is an example of matter? A. leaves B. shadow C. light from the sun* D. sound 2. Which of the following is an example of a chemical property of matter? A. ability to melt B. ...
November 17, 2014 by Haley

Math
What are the odds against getting three heads in three successive flips of a coin? Odds against A = (1 – 3/6)/ (3/6)= 3/5 = 3::5 Could someone check my answer and correct me if I need it please
November 28, 2009 by Punkie

Math Check
Can someone check this for me? Thanks! Directions: Two integers from 1 through 40 are chosen by a random number generator. Write your answer as a fraction in simplest form a/b. P(both numbers are less than 30) (my answer: 9/16)
April 28, 2015 by Lauren

Spanish
Can someone check my work? English: My cousin came over to play. We were running around the living room. My brother and cousin crashed into each other. And my brother cut the corner of his eye open. Spanish: Mi primo vino a casa jugar. Fuimos correr alrededer de la sala. Mi ...
October 7, 2009 by Larry

Chem I just need someone to check my answer
arrange the following compounds in the order of increasing polarity HF, H2SE, N2, H2s I believe that the answer is H2Se < H2S < N2 < HF Is that correct?
February 13, 2011 by Kathy R

algebra
could someone check these answer please? solve the following proportion for x. x/8=5/3=0 rueben drove 300 miles using 14 gallons of gas, at this rate, how many gallons would he need to drive 210?= 40.3 gallons solve for v; v^2+v-30=0=v=-6,5 thanks
October 31, 2010 by lee

Health care
Please check my answer thanks :) You need to speak to someone about additional coverage to Medicare Parts A and B Blue Cross and Blue Shield would be the best organization to contact. True or False I picked True
February 23, 2008 by Michalea

Stats help!
Does anyone know how to find the variance or something if only the correlation of something is given and the other way around?? I really need help with this! THANK YOU!
April 6, 2009 by ash

Algebra 2 - stats and probability
I need someone to tell me how to set these up please? 1. A box contains 4 quarters. 2 of the quarters have the American eagle on the back. Suppose you draw 2 quarters at random with replacement. a. What's the probability that both have the American eagle on the back? b. What's...
May 13, 2009 by Kay

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