Number of results: 386
graphing
I put the numbers in using the stat function of the TI-83. I hit STAT and edit to put in the numbers in L1 and L2. Then I did Stat -Calc and I chose Quadreg and L1 L2 from keyboard and enter.
Friday, February 22, 2013 at 12:29pm by JJ
Stat B
How many standard deviations away from the mean do the quartiles lie in any normal distriubiton?
Thursday, September 17, 2009 at 9:11pm by Stat B
statistics
survey revealed two percent of students did not select stat. for biz. suppose we select a sample of 10 students. -what is the probability that 3 students selected stat. for biz? -how many students would you expect to select stat.for biz?
Monday, March 8, 2010 at 10:47am by nora
Research and Statistics
IQ | 1.0000 Psy | 0.5923 1.0000 Stat | 0.7367 0.7105 1.0000 a. corr(iq, psych) = 0.5923; coeff. of det. = 0.3508. b. corr(iq, stat) = 0.7367; coeff. of det. = 0.5576. c. corr(stat, psych) = 0.7105; coeff. of det. = 0.5048.
Saturday, September 11, 2010 at 10:39am by Jenn
Math Help
Suppose that each student in stat. has a 9% chance of missing class on any given day and that student attendance is independent. In a stat. class of 20 students, find the probability that: 1) no student is absent 2) one student is absent 3) three student is absent 4) at least ...
Monday, April 8, 2013 at 12:44pm by Chris
Stat
Remeber that it is areas under a density curve, not the height of the curve, that give proportions in a distribuiton. To illustrate this, sketch a density curve that has its peak at 0 on the horizontal axis but ahs greater area within .25 on either side of 1 than within .25 on...
Monday, September 21, 2009 at 5:15pm by Stat
statistics
(c) Z = -750/500 = -1.25 For the others, you need a normal distribution probability calculator or table. There are many online. There is a good one at http://www.stat.tamu.edu/~west/applets/normaldemo.html It says that the answer to (a) is 69.15%
Sunday, April 24, 2011 at 6:56pm by drwls
Pre-Algebra
There are several ways. http://www2.sunysuffolk.edu/wrightj/MA22/Stat/Chart.htm
Monday, January 26, 2009 at 7:34pm by bobpursley
Check answers please Statistics
Suppose that each student in stat. has a 9% chance of missing class on any given day and that student attendance is independent. In a stat. class of 20 students, find the probability that: 1) no student is absent =15.16 2) one student is absent =30 3) three student is absent =...
Monday, April 8, 2013 at 3:50pm by Chris
STATISTICA
http://www.stat.wmich.edu/s216/book/node6.html
Friday, June 10, 2011 at 11:39pm by TutorCat
Grade 12 life orientation
This life style disease is to bad to other people. People who are infected, think that it is the end of the world, well infect is not true. But usually many people if they find out about you being affected they stat playin away from you. And that is not a great thing to do ...
Thursday, April 19, 2012 at 2:40pm by Thapelo
stats
N=30 http://www.milefoot.com/math/stat/ci-variances.htm
Sunday, March 31, 2013 at 6:43pm by bobpursley
math
The probability that a person has immunity to a particular disease is 0.3. Find the mean and standard deviation for the random variable x, the number of people who have immunity in samples of size 28. This is a binomial distribution. mean= 28*.3 standard deviation= sqrt (28*.3...
Saturday, August 18, 2007 at 12:29pm by manny
chem
http://www.stat.yale.edu/Courses/1997-98/101/confint.htm Scroll down about 1/2 the page.
Wednesday, February 2, 2011 at 12:04am by DrBob222
adult education
http://www.math.sfu.ca/~cschwarz/Stat-301/Handouts/node67.html This survey yields two outcomes: yes, and no. If a third response (I dont know,or maybe, or anything else, it is not a binomial distribution).
Thursday, October 28, 2010 at 11:44am by bobpursley
stat
3
Wednesday, May 26, 2010 at 2:01pm by Anonymous
Stat's
Thank you
Sunday, October 26, 2008 at 3:56pm by Valerie
Stat
kkj
Monday, March 4, 2013 at 1:06am by jkj
STAT.
0.4 37.6
Tuesday, March 12, 2013 at 12:11pm by khudari
STAT (incomplete)
What are a, b, c, & d?
Thursday, November 15, 2012 at 7:55pm by PsyDAG
Stat
dfb
Sunday, April 3, 2011 at 8:14pm by dgv
Stat
P = (1-.02)^4 = ?
Sunday, April 3, 2011 at 8:14pm by PsyDAG
STAT (incomplete)
In what case?
Friday, November 23, 2012 at 4:55pm by PsyDAG
STAT (incomplete)
What results?
Thursday, November 15, 2012 at 7:56pm by PsyDAG
stat
...is equal to a probability of 1.
Monday, May 7, 2012 at 7:22pm by MathGuru
STAT
I forgot to mention.. for x 0,1,2
Monday, April 30, 2012 at 11:59pm by Michelle
prob and stat (?)
What is your question?
Sunday, October 30, 2011 at 9:24am by PsyDAG
stat
What do you mean by "the body?"
Sunday, December 19, 2010 at 11:35pm by drwls
Statistics
I-III mode:http://www.mathgoodies.com/lessons/vol8/mode.html midrange: http://en.wikipedia.org/wiki/Mid-range IV. Chebyshev's Theorem: http://www.statisticshowto.com/articles/how-to-calculate-chebyshevs-theorem/ You know the value of mean and standard deviation. Find the ...
Friday, May 20, 2011 at 4:49pm by TutorCat
Stat
The army reports that the distribution of head circumfererence among soldiers is approximately Normal with mean 22.8 inches and standard deviation 1.1 inches. Helmets are mass produced for all except the smallest 5 % and the largest 5 % of head sizes. soldiers in the smallest ...
Monday, September 21, 2009 at 6:53pm by Stat (Alegra One Help I think)
STAT
SEm = SD/√n
Wednesday, April 3, 2013 at 11:46pm by PsyDAG
math/prob stat
Gucci
Tuesday, March 30, 2010 at 8:42pm by Anonymous
stat
I got 42.95
Tuesday, December 11, 2012 at 3:36am by christopher
STAT (incomplete)
Again, in what case?
Friday, November 23, 2012 at 4:58pm by PsyDAG
Prob/Stat
If P(A) = .3 and P(B) = .4 and P(AandB) = .2 what is P(A/B)? P(B/A)? Are A and B indepentent?
Sunday, April 1, 2012 at 8:44am by Sheila
Stat
P(B|A) = (P(A and B))/(P(A)) = (.38)/(.45) = 0.84
Monday, June 6, 2011 at 6:28pm by Anonymous
Stat B
approximately 0.7 standard devia
Thursday, September 17, 2009 at 9:11pm by drwls
trig
hmmmm ok i\'ll try and see what i get thanks
Sunday, September 6, 2009 at 5:06pm by stat
CHECK ANSWERS AND HELP PLEASE
MATH-STAT
Monday, April 8, 2013 at 4:34pm by MELISSA
Stat
Pearson's chi-square test
Tuesday, December 4, 2012 at 7:42pm by MathGuru
stat (incomplete)
We do not have access to your data.
Saturday, October 27, 2012 at 9:09pm by PsyDAG
college stat
We do not have the graphic available, so we cannot help you.
Tuesday, July 24, 2012 at 4:56pm by PsyDAG
stat (incomplete)
We do not have access to your data.
Wednesday, January 25, 2012 at 1:27pm by PsyDAG
Math(Stat)
More data needed.
Friday, November 25, 2011 at 10:38pm by PsyDAG
Stat 1
How can we do any calculation, if no specific data is given?
Wednesday, October 20, 2010 at 1:49am by PsyDAG
stat and research
C. Identify H0 and Ha for this study.
Friday, November 23, 2012 at 11:05am by tristian
Prob ans stat
Yes both answers are correct.
Friday, July 29, 2011 at 12:19pm by Tanesha
stat
I posted a question but never got an answer.
Wednesday, October 20, 2010 at 12:01am by jackie
trig
that would be the image i put up... i don\'t understand???
Sunday, September 6, 2009 at 5:06pm by stat
stat
When reposting, you need to repeat the same question, so we can respond.
Wednesday, October 20, 2010 at 12:01am by PsyDAG
Psydag--stat
Thank you very much--I too finally got this answer.
Sunday, September 26, 2010 at 2:57pm by Lori
Stat's
1/46 * 1/45 * 1/44 * 1/43 * 1/42 = 1 / 164490480
Sunday, October 26, 2008 at 3:56pm by Damon
Statistics
cheating for final exam stat 2.2x eh? :D i want the answer too!!! :P
Saturday, May 18, 2013 at 10:24am by hehe
Stat Help Please
Correlation coefficient (r) is the square root of .755 (75.5%).
Tuesday, March 12, 2013 at 1:02am by MathGuru
stat
Use the binomial distribution, with parameters 6 and 1/4. Add up the probabilities for x=5 and x=6.
Sunday, June 13, 2010 at 6:35pm by unknown
stat
ok there was a question that my teacher told me i got wrong the question asked me to compute the mean which I did... then the question went on to tell me compute the mean with another observation equal to zero then the part that he drew the line through was my response to this...
Sunday, September 6, 2009 at 5:17pm by stat
Business Law
out-of state cases aren't binding precedent in stat courts.
Sunday, January 20, 2013 at 8:40am by julie
probability
A coin is biased such that a head is thrice as likely to occur as a tail. Find the probability distribution of heads and also find the mean and variance of the distribution when it is tossed 4 times. See http://www.stat.yale.edu/Courses/1997-98/101/binom.htm Let p be the ...
Sunday, January 21, 2007 at 12:49pm by mohsin
Stat Help Please
z-scores mainly range between -3 and 3 z = 2.6 is near the upper end.
Sunday, March 10, 2013 at 10:01pm by Dr. Jane
stat
The total area under the normal distribution curve is equal to a probability of____
Monday, May 7, 2012 at 7:22pm by Nichole
STAT
A random variable X2 assumes only positive value.?
Tuesday, October 11, 2011 at 9:33am by azriel ed pagayunan
stat
please answer the questions I posted my homework is due by thursday 1/13/11
Tuesday, January 11, 2011 at 12:57am by charles
chemistry
which element has the ground-stat electron configuration [Ar]4s^2 3d^10?
Wednesday, October 20, 2010 at 6:30pm by Raynique
Math...For All Math Tutors
One of my three sons was a math/econ undergrad major from U Cal Santa Barbara. He found it difficult to get a job at first, then took additional actuary stat/prob correspondence courses and got certified as an actuary. That landed him a great job at Social Security ...
Friday, February 15, 2008 at 10:29am by drwls
Stat
Surely you can use the link I gave you when I answered your last post. Did you even look at it ? you should get .031177
Tuesday, June 5, 2012 at 7:38am by Reiny
cultural diversity
the text did stat information in d. but since it ask for what not rooted in i think it was not the best, so i guess it is d instead of b or c
Tuesday, February 15, 2011 at 6:10pm by Anonymous
health
what is a catchy starting sentence to stat talking about " hip replacement system recall"?
Tuesday, September 7, 2010 at 4:13pm by harrison
stat math
Stat hw question help me please? In a high profile murder case a sample of the general public's opinions concerning the guilt or innocence of the defendant is taken. A sample of n=100 males results in 62% of the respondents beliving that the defendant is guilty, while a ...
Sunday, February 1, 2009 at 9:56pm by helga
Stat
What particular measure of correlation would be most appropriate for use with two variables measured at an ordinallevel?
Tuesday, December 4, 2012 at 7:42pm by Rolando
STAT
Let X be equal to the number of heads from tossing a coin twice. Verify that the following is the probability mass function of x. p(X x)=1/2(2-x)x!
Monday, April 30, 2012 at 11:59pm by Michelle
Math(Stat)
If the tube were guaranteed to last for 600 hours, what percent of the tubes may have to be replaced under the guarantee
Friday, November 25, 2011 at 10:38pm by Anonymous
stat
With Z = -.98, that is not even one standard deviation below the mean. The null hypothesis looks believable.
Thursday, May 12, 2011 at 2:40am by PsyDAG
stat probability - STOP!
Please show us how you've attempted to solve these problems before you post any more.
Monday, April 8, 2013 at 7:37pm by Ms. Sue
stat
if the heights of men follow a normal distribution, and 99.7% fall between 5" and 7" what is the estimate standard deviation of the height?
Saturday, February 2, 2013 at 7:48pm by lena
Stat
What is the confidence interval for? Allergies? Gender? Both? Have you omitted some data? Mean? Standard deviation?
Friday, October 22, 2010 at 10:54pm by PsyDAG
Stat
the teacher wants me to make a survey questions about a sample and get a statistical data from it, how? including variance and standard deveriation. thanks
Tuesday, December 30, 2008 at 4:54am by Omar
Stat
In statistic regressions, does "standard error" mean the residual (vertical distance of each point from teh regression line)?
Sunday, November 16, 2008 at 1:23am by Guy
STAT
Determine the mean and standard deviation of the random variable for which the probability mass function is defined as follows: P(X=x)= x-2/30 if x=3,12,21
Tuesday, May 1, 2012 at 12:01am by Michelle
stat
a sample of 150 adults is composed of 100 women and 50 men. estimate the standard error of the proportion for the female population
Tuesday, November 9, 2010 at 8:53pm by suzanne
stat probability
"One" would be he or she or s/he, not "they." 390/(780+320+390) = ?
Monday, April 8, 2013 at 7:38pm by PsyDAG
stat
Explain why using the t statistic may be an appropriate alternative to using a z-score
Tuesday, February 5, 2013 at 10:05pm by Tracy
stat
The mean ± standard error of the mean or SD/√n
Sunday, January 29, 2012 at 10:33am by PsyDAG
statistics
What is a great topic to do a research paper on and apply statistics?
Monday, October 5, 2009 at 7:00pm by stat
stat
Oh. Now what is your question? Do you want P(n), the probability of n males in five samples, for 0<n<5?
Sunday, November 28, 2010 at 12:36pm by drwls
Stat
Are you for the probability of selecting 3 black marbles? Since there are only two, probability is zero.
Monday, March 4, 2013 at 6:26pm by PsyDAG
grammer
This is very incorrect grammar. What are we to do with it? te = the After wivues = wives? stat = start is = his band. declarative. Interrogative asks a question. Sra
Thursday, March 3, 2011 at 12:11am by SraJMcGin
grammer
after graduating from te dog acadeny wivues decide to stat is own rock and roll band identify declarative or interrogative
Thursday, March 3, 2011 at 12:11am by Anonymous
Stat
You cannot copy and paste to this site. You can repost with the situations typed. Parametric data approximates a normal distribution. Which of the examples would do that? I hope this helps. Thanks for asking.
Sunday, October 25, 2009 at 10:41pm by PsyDAG
stat
The probability of both/all events occurring is found by multiplying the probabilities of the individual events.
Friday, February 17, 2012 at 9:09pm by PsyDAG
Stat
Please help with this problem, not sure calculate it. Consider the standard normal distribution and find P(-1.5 < Z < 2.35).
Friday, December 14, 2012 at 8:50am by Annie
stat
A sample consists of the following data 7,11,12,18,20,22,25. What is the sample variance?
Tuesday, December 11, 2012 at 3:36am by christopher
stat
When a confidence interval for a population proportion is constructed for a sample size n = 100 and the value of, p = .4 the interval is based on the (Points : 1)
Sunday, January 29, 2012 at 10:33am by Anonymous
English
I need help finding a chart/stat about how many students go for online education instead of face-to-face and the progress of it.
Monday, February 27, 2012 at 8:58pm by Anonymous
Stat
a large no. of bonobos were found to be normally distributed with a mean of 46 and a variance equal to 9. if each of their scored is increased by 5 points, what percentage of the new scores is less than 50?
Tuesday, January 17, 2012 at 8:00am by Jenny
Statistics 250
Look up the Z scores in the back of your stat text labeled something like "areas under the normal distribution." That should give you the answer.
Thursday, March 18, 2010 at 4:46am by PsyDAG
stat probability
A coin is tossed 4 times. Find the probability that the 4th toss is a tail, given that the first 3 tosses were all heads.
Monday, April 8, 2013 at 7:35pm by Lynn
stat in psyc
A normal distribution has µ = 80 and standard deviation = 10. What is the probability of randomly selecting a score greater than 90 from this distribution
Sunday, March 3, 2013 at 11:23pm by shauna
stat
a credit card company estimated that 62% if its customers are males. The company is considering a randomly selected sample of five people.
Sunday, November 28, 2010 at 12:36pm by tanya
Slavery
•How has the American history of African slavery influenced our contemporary society? Provide three examples you believe to be most significant.
Thursday, February 4, 2010 at 7:03am by help me STAT
stat
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?
Saturday, December 10, 2011 at 3:25pm by tre
For Further Reading
