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September 1, 2014

Search: Statistics - can someone check me

Number of results: 32,600

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

Statistic/Psychology
If the correlation between one's interest in statistics and being a "fun date" was -0.70, it would mean that: a. The higher someone's interest was in statistics, the more likely it would be that he or she is a fun date b. The higher someone's interest was in statistics, less ...
July 26, 2013 by Crystal

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
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

Statistics
Can someone please give specific examples of how psychologists use statistics
June 26, 2011 by Carla

statistics
Can someone please help me understand how confidence intervals fit within the broader context of inferential statistics
May 29, 2014 by patiance

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

statistics
Can someone tell me how to run data in Megastat on attribute values. I have an assignment and I need to get descriptive statistics on education levels
October 1, 2008 by Madison

Statistics (Check Answer)
Hi can someone check my answer. I'm not sure why the computer keeps marking it wrong. **Suppose a random sample of size 50 is selected from a population with σ = 10. Find the value of the standard error of the mean in each of the following cases (use the finite population...
June 16, 2014 by Jen

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

Polynomials check my answer
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

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

m/c
Which of the following refers to when a researcher gathers data from a sample and uses the statistics generated to reach conclusions about the population from which the sample was taken? inferential statistics holistic statistics conclusive statistics descriptive statistics is...
May 20, 2010 by Thara!

statistics
True Or False Using the average score to describe a sample is an example of inferential statistics. By reading the definition in my book I feel as though this phrase is false. Can someone please advise on this matter?
January 7, 2014 by Lyndyc

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

environmental science
Please check this: Scientists use statistics to a. graph data b. analyze data c. communicate ideas to each other d. all of the above B ( in my book it says: scientists rely on and use statistics to summarize, characterize, analyze, and compare data. statistics is usually a ...
August 27, 2009 by y912f

Math check my answers
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

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

math-please check my answer
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

Statistics
I am so lost on this statistics question would someone help me figure out how to answer it? A random variable X is normally distributed with the mean and standard deviation 1.6. What is the proportion of the data values that lies within 1.6 standard deviations from the ...
November 27, 2012 by Layney

statistics
Can someone help me out with project for Data Management. I need some topics that I could use for my thesis/hypothesis (with a lot of information) I had death rates as my topic but my teacher said he does not approve of it because the statistics for it is too easy because you ...
March 3, 2011 by Joey

English
Can someone please check my answers? Which of the following settings are evident in Unit 4's stories of Twain, Jewett, and Chesnutt? Check all that apply. American West* pos-Civil War South* New England* Gold Coast
January 17, 2014 by Cassidy

Pre-Calc-Please check my answer-I think I have it
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2...
September 7, 2011 by Sheila

Pre-Calc-Please check my answer-I think I have it
Could someone please check these-I had tried one last night but it was really wrong so I'm been working-hopefully these are correct. What are the roots of the equation and answers have to be simplified 2x^2 + 5x-10 =0 2x^2 + 5x-10+10=0+10 2x^2 + 5x = 10 2x^2 + 5x/2 = 10/2 2x^2...
September 7, 2011 by Sheila

Statistics
The following table shows a frequency distribution of patients with colon cancer treated at Community Hospital. Compute the proportion of patients in each category. Community Hospital Ages of Patients with Colon Cancer Annual Statistics, 20XX Age No. of Patients Proportion &#...
November 16, 2013 by Anonymous 11/16/13

statistics
Why should we check if your data is binomial?
November 13, 2011 by Dee

STATISTICS
A statistics practitioner formulated the following hypothesis: H0 : = 200 against H1 : < 200 and learned that x = 190 n = 9 and = 50. The p-value of the test is (1) 0.6 (2) 0.2743 (3) 0.7743 (4) −0.2743 (5) Cannot be found with information given My suggested ...
April 1, 2010 by Yumna

Chemistry conversions check
I'm sooooooo not sure if I'm doing this right, but can someone check it please? Thanks :)) 5) Determine the mass in grams of 3.01 x 10^23 atoms of Cl (element) I got 17.5 grams...is this right?
September 10, 2009 by Emily

Genetics (plz check answer)
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.
December 6, 2006 by Josh

bio (plz check answer)
Question: Calculate the frequency of the AA, Aa, and aa genotypes after one generation if the initial population consists of 0.2 AA, 0.6 Aa, and 0.2 aa. What I have done is: P = (0.2)+(0.5)(0.6)= 0.50 q = 1-p = 1 - 0.50 = 0.50 Can someone check my answer plz.
December 7, 2006 by Josh

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!!

Statistics- Need someone to check
Ok so i don't know how i got that answer i think i typed in a wrong formula or read something wrong. I got .8926 for the first one. And the second one i don't know what i am suppost to use from the first answer to get that. Can someone help me. It is known that about 20% of ...
February 9, 2011 by Mike

Math Statistics
I am stuck can someone help me 19.2 - 21.1 ---------- 3.18 \/25
October 6, 2012 by Misty

Math
Hi, would someone mind just checking the answer I got for this formula and tell me if I'm on the right track or not. Question... x+y=21 3x=4y Answer I got... x=84 y= -63 I didn't get that. Check your math. I found 7y=63 but not y = 63. You can always check your answer. Is 4X...
October 22, 2006 by Jessica

psychological statistics
can someone please respond
November 19, 2012 by carla

Algebra
Would someone please check these answers? Simplify. 3/x-5+1/1-4/x-5 For this answer I got: x-2/x-9 Divide. x^2-49y^2/6x^2+42y/(x^2-7xy) For this answer I got: (x+7y)/6x(x^2+7y) Add. Express your answer in simplest for. x/6+3x/6 For this answer I got: 2x/3 Please check my ...
July 12, 2007 by Linda

Chemistry
Hello. Can I get someone to help me set up these problems? 1.) How many moles of N are there in 2.6 moles of NHO3? 2.) How many moles of C2H6 (g) are consumed when 4.4 mol CO2 (g) are produced? 3) How many milliliters of 0.80 M CuSO4 must be diluted to make 866 milliliters of ...
February 25, 2007 by Nathan

Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% 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 product failed check B, what is...
November 6, 2009 by Anna

Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% 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 product failed check B, what is...
November 6, 2009 by Anna

Math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% 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 product failed check B, what is...
November 6, 2009 by Anna

Algebra
Hi, could someone possibly check my answers to these algebra questions? Its not my strong point so have been struggling a little (or alot if they are all wrong!) 3m-8-5m+10 = 2-2m 4(2-6x) = 8-24x 7(a+3)-5 = 7a + 16 2x-3(4y-x) = 2x-12y-9x 2(4y-1)+5y(3-2y) = 2(4y-1) +5y(3-2y) If...
February 4, 2010 by Geoff

Spanish-Please check my work
Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking
January 29, 2012 by Jillian

statistics
H0: .60 versus H1: > .60, = .05, x = 56, n = 80 can someone just explain why alpha is there? Is it used?
April 30, 2010 by barty

statistics
Can someone help me to understand the purpose of null hypothesis testing?
February 18, 2012 by Patiance

Statistics
can someone give me the formula of standard deviation?Please! Thanks!
February 25, 2012 by pallavi

Math-Statistics-please doublecheck my answers
In the fall of 2000, 54% of the almost 34,000 first-year students attending one of the California State Universities had strong enough math skills to take an entry level course. 1)Based on a sample of 20 students, can we assume our calculations will be accurate? My answer is: ...
January 31, 2012 by Mandy

statistics
Statistics play s a major role in the health care field in today's environment. Please provide how statistics can be important and influential in the nursing profession. Provide at least two examples where you ahve observed statistics to contribute positively to the needs of ...
May 18, 2010 by cortez

statistics
5. The table below shows Psychology exam scores, Statistics Exam scores, and IQ scores for a random sample of students. What can you observe in the relationship between IQ and psychology, psychology and statistics, and IQ and statistics? Using a web-calculator, obtain the ...
November 29, 2011 by shirley

math
At a quality control checkpoint on a manufacturing assembly line, 8% of the items failed check A, 10% failed check B, and 2% 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 product failed check B, what is...
January 9, 2010 by crystal

Math
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 product failed check B, what ...
December 8, 2010 by Rena

Math
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 product failed check B, what ...
December 8, 2010 by Rena

Algebra
Have a couple questions was wondering if someone could check my work? 1. What are the real or imaginery solutions of the polynomial equation? x^4-41x^2=-400 (x^2-25)(x^2-16) x^2=25 or x=+-5 x^2=16 or x=+-4 2. Use synthetic division to find P(-3) for P(x)=x^2-2x^3-4x+4 this one...
November 26, 2012 by kevin

math,correction please..
(x)/(x-2) - (x+1)/(x) = (8)/(x^2-2x) I keep getting x = 6 can someone show me how you guys are getting x = -10 The lowest commond denominator is x(x-2) x/x *(x)/(x-2) - (x+1)/(x) *(x-2)/(x-2)=(8)/x(x-2) multiplying both sides by the common denominator.. x^2 -(x^2-1x -2)=8 x+2=...
March 7, 2007 by jas20

math
hi, can someone check these answers for me 1.8-13=-5 2.-4-10=-4 3.5-24=-19 4.7-(-3)=10 5.-2-(-6)=4 6.-18-(-7)=-11 thanks
October 7, 2008 by julie

Can someone check my answer please
Can someone check this for me? Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in months, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of cars driven on 1st Avenue can be ...
December 15, 2007 by Cupcake

psychological statistics
I was talking with someone about setting up an account and getting help with an assignment
November 19, 2012 by carla

Statistics
What is an example of a research problem at your organization that would benefit from the use of either descriptive statistics or probability distribution statistics?
October 11, 2010 by Kathy

Honors Chemistry
Can someone check my first answer and help me with the second question? Thanks so much!! :D 1. N2 + 3H2 ==> 2NH3 : How many grams of NH3 can be produced from the reaction of 28 g of N2 and 25 g of H2? ==> I got 37.5 grams. 2. How much of the excess reagent in Problem 1 ...
November 5, 2009 by Emily

Data analysis and statistics
I dont know where to begin with these problems would someone please call me Find the median of each set of numbers 14. 1, 4, 9, 15, 25, 36 Find the mode of each set of numbers. 9, 8, 10, 9, 9, 10, 8 41, 43, 56, 67, 69, 72 Statistics. A salesperson drove 238, 159, 87, 163, and ...
April 13, 2008 by Theresa

Data analysis and statistics
I dont know where to begin with these problems would someone please call me Find the median of each set of numbers 14. 1, 4, 9, 15, 25, 36 Find the mode of each set of numbers. 9, 8, 10, 9, 9, 10, 8 41, 43, 56, 67, 69, 72 Statistics. A salesperson drove 238, 159, 87, 163, and ...
April 13, 2008 by Theresa

eco
What is the immediate effect of each of the following events on U.S. GDP and its components? 1. someone, at the age of 94, retires reluctantly and receives a social security check. 2. someone, after steadfastly labored and saved for many years, fulfills his American dream and ...
September 28, 2008 by Karen

math help
can someone check and see if i did this right x+2y=8 x-x+2y=8-x 2y=8-x 2y/2=8/2-x y=4-x y=4-x/2 y=4-1/2x
January 11, 2008 by amy

math
can someone check my answers if f(x)=4x-3 find f(-1) f(-1)=4*(-1)-3=-4-3= -7
January 17, 2008 by amy

Algebra
Can someone check my answers? 1. 3/c - 4/3c = 5/3c 2. -3t/t-4 - 2t+4/4-t = -2t-4/t-4 3. z/3z^2 + 4/7z = 19/21z 4. 5x/2x-6 + x+2/3-x = 4x-2/2x-6 or 2(2x-1)/2(x-3)
June 3, 2011 by Michelle

precalcus will someone check my homework
f(3)=-3/8 and (f-2)=-12 MY SOLUTION F(-2)=ab^-2 = -12 F( 3)=ab^ 3 = -3/8 b^5 = 12 * 3/8 = 32 b=2 12 = a(2)^2 12 = 4a a =3 f(x)=3(2)^x
March 3, 2012 by luckybee

calculus-can someone please help me with this ques
Find all zeros of the following polynomial. Write the polynomial in factored form. f(x)=x^3-3x^2+16x-48 I put: x^2(x-3)+16(x=3) (x-3)(x^2+16) For zeros: x-3=0 x=0 **My teacher stated check the equation solution again. What is the value for x and hence what is the zero for the ...
December 27, 2012 by allison--Please help!!

math. can someone do this for me please....
* Consider the functions f(x)=1/x +4 and g(x)=2/x. Graph f and g on the same grid. a)Determine the points of intersection of the two functions. b)Show where f(x)<g(x). c)Solve the equation 1/x +4=2/x to check your answer to part a). d)Solve the inequality 1/x +4<2/x to ...
January 6, 2014 by *ajay*

Pre Cal Check
focus: (0,p) vertex: if not given, then it is assumed (0,0) Directrix: k+p or k-p, i'm not sure I think these are the general equations for the focus, vertex, and directrix of a parabola, but i'm not sure. could someone please check this? thanks.
February 25, 2007 by Marie

statistics anova
a professor is interested in whether there is a differnce in counseling student's statistics competency scores among 1) those who have never taken any statistics ourse, 2) those who have only taken an undergraduate statistics course, 3)
February 27, 2012 by caryn

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

history us
How does the current distribution of wealth in the U.S. compare to 1929? Include statistics. I really need help someone.
February 1, 2013 by Anonymous

math/algebra
can someone check my work? x^2 = 22 xx-22 if x^2 is 22, then x is +- sqrt 22
August 19, 2007 by dee

math
can someone please check my answer? -9<==4x-8<==-7 {x l -1/4 <== x <== 1/4} is this correct??
November 11, 2009 by Samantha

algebra
Mutilpy rational expression 3/a^2+a*2a+2/6=3/a(a+1)*2(a+1)=1a could someone check this for me.
May 19, 2010 by Angelia

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

MATH
Can someone please HELP me figure this out? According to statistics gathered as part of a research project by a group of statistics students on the college campus, 376 out of the 439 deaths attributed to lightning strikes were male. If all of the names of the deceased were ...
September 24, 2011 by Shelly

math
can please someone check my answer Q.) 30% of the adult population was offline in terms of being able or willing to access the internet. New data relating to the year 2010 (sourced from The Office for National Statistics) indicated that this group numbered 9.2 million in 2010...
June 23, 2011 by Mctagger

Health of young children
5.) A child in your program has just returned after having chickenpox. You notice that she still has a few dry scabs. What should you do? A. Send her home. She is still contagious. B. Welcome her back and let her know what there is to do today. C. Allow her to stay, but ...
April 5, 2009 by Cynthia

English
Could someone check my answers for this exercise. Dangling Modifiers
June 25, 2007 by Nadine

college algebra
can someone check my answer for me please! 5x+6y=18 solve for y 6y=18-5 y=3-5/6x
November 16, 2007 by Alicia

math
can someone check my answer Graph by first solving for y. x + 2y = 8 x-x+2y=8-x 2y=8-x 2y/2=8/2-x y=4-x y=4-x/2 y=4-1/2x
January 11, 2008 by amy

math
can someone check my work? divid t^11/ t^3 is the answer t^3r2
January 30, 2008 by j.j

pre-algebra
can someone check if this inequality is solve right 5x + 3 >= 28 -3 -3 5x >= 25 5 5 x <= 5
March 14, 2008 by Dj

math
Could someone please check these for me? 1. Find the function value if x=2 f(x)=x^3 F(2)=8
December 4, 2008 by deedee

math
can someone check this please find indicated outputs for f(x)= 4x^2 - 2x f(0)=0 f(-1)=6 f(2)=14
January 5, 2009 by deedra

alegbra
Everytime I send a problem for someone to check no one does why!!
April 8, 2009 by keaton

calculus
derivative of y=ln x/x^2 can someone double check the answer 1-2lnx/x^3
November 11, 2009 by jackie

Alg 2 Please can Someone Check this???
1) 8^2y = 52^4y+3 2) 2^3(2y) = 2^26(4y+3) 3) 6y = 104y+78 4) -98y = 78 5) y= -0.796
May 26, 2010 by Anonymous

Pre-Calculus
Could someone check my answers? 27. (16/9)^2/3 = 64/27 28. (49/25)^3/2 = 343/125 31. (-64)^2/3 = 8 32. (-8)^-4/3 = 1/16 or -1/16
April 22, 2013 by Caroline

Statistics
# Statistics - bobpursley, Wednesday, October 6, 2010 at 4:30pm second applet. Set mean to zero, std deviation to .8 oz check below enter shaded area .05 Notice the answer comes up 1.31 ounces. So the mean must be 5.3+1.31=6.61 Put that in for the mean, and verify. You should ...
October 6, 2010 by Beverley

math please help someone! anyone!!!!
Lamont earns $5.70 per hour. last Friday Lamont received a pay check for $745.25. this pay check included an extra $200 bonus. about how many hours did Lamont work during the last pay period? ms sue please help, i would really appreciate it.
December 11, 2013 by math help

Algebra
Factor the trinomial. t^3-4t^2-32t = t(t+4)(t-8) can someone help me pleaseand check my answer.
July 2, 2008 by Cynthia

English
If I post a few essays on here will someone please check them for me?
October 7, 2009 by Anonymous

Statistics
In the following question, identify which choices would be considered inferential statistics and which would be considered inferential statistics. 1. of 500 randomly selected people in new york city, 210 people had O+ blood. a) "42 percent of the people in NYC have O+ blood" ...
November 16, 2013 by kitty

writing
Which of the following statements is not a general rule for using statistics in a classroom speech? A The more statistics the better. Use statistics sparingly Make sure information is up to date Round off long numbers.
May 10, 2012 by Anonymous

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

Algebra II repost- please check
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

Physics
A capacitor is made from two 1.2 cm diameter coins separated by a 0.18 mm thick piece of paper (K = 3.7). A 6 V battery is connected to the capacitor. How much charge is on each coin? My solution: C= K * Permitivity * A/d = q/v I solved for q and got 1.2 X 10^-10 But i still ...
February 6, 2008 by BLESSED

College Algebra
Can someone check my work for me again! I really appreicate it, I'm not the best at this. (1/3)x+(3/4)x = 13 (4/12)+(9/12)x = 13 (13/12)x = 13 x = 13/(13/12)= 12
November 16, 2007 by Alicia

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