Number of results: 208,634
math,pre statistics
Two dice are rolled. What is the probability that it is not doubles?
Friday, February 6, 2009 at 8:58am by Regina
college pre statistics
consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 % Calculate the margin of error( round to the nearest hunderth)
Wednesday, March 11, 2009 at 5:11pm by Angela
math, pre-statistics
Half the gumballs in the machine are either red or white, so 50%
Sunday, February 8, 2009 at 5:53pm by Damon
math, pre-statistics
Two dice are rolled. What is the probability that result is not doubles?(Round to the nearest thousandth)
Friday, February 6, 2009 at 8:25pm by Sabrina
math, pre- statistics
17 out of a total of 93 patients stayed for 3 days 21/93 = ?
Friday, February 6, 2009 at 9:17pm by Damon
Statistics
In Professor Whites statistics course the correlation between the students total scores before the final examination and their final examination scores is r = 0.9. The pre-exam totals for all students in the course have mean 275 and standard deviation 50. The final...
Sunday, October 21, 2012 at 11:08pm by Kevin
pre algebra
5 1/8 = 4 9/8 1 7/8 = 1 7/8 subtract to get 3 2/8 = 3 1/4 Not sure I'd call this pre-algebra; just 4th grade math to me. Still, I guess all arithmetic is pre-algebra.
Tuesday, January 22, 2013 at 3:49pm by Steve
college pre statistics
See previous post.
Wednesday, March 11, 2009 at 5:11pm by MathGuru
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...
Thursday, May 20, 2010 at 8:55pm by Thara!
pre-statistics
Pr=(14+22+8)/(60+51+...+8)
Friday, February 6, 2009 at 8:39pm by bobpursley
math, pre-statistics
I do not believe you can apply statistics to weather in the manner described... Especially in Seattle, where rainy periods come in long cycles that are often incorrectly predicted. (I am from Seattle, and spend a month or two there every year). The weather you get one day is ...
Sunday, February 8, 2009 at 9:22pm by drwls
math, pre-statistics
Write all the possible outcomes down and then crossout the ones that are doubles. The number left is the numerator the denominator is the total outcomes including doubles.
Friday, February 6, 2009 at 8:25pm by Jessie
statistics page on jiskha
Does anyone find the picture as funny as I do? http://www.jiskha.com/math/statistics/ It's a baby holding a statistics textbook.
Tuesday, September 9, 2008 at 11:48am by Leo
math,pre statistics
In a recent health study it was claimed that 18% of americans are underwieght.If 4 americans randomly selected what is the probability that a. that all will be underweight b.none will be underweight c. at least one will be underweight
Friday, February 6, 2009 at 8:58am by Angela
math, pre-statistics
On a 3 day vacation to Seattle the local weather forecaster predicts a 60% chance of rain everyday.What is the probability that it will rain everyday of the vacation.(round to the nearest thousandth)
Sunday, February 8, 2009 at 9:22pm by Sabrina
statistics
Pre study scores versus post-study scores for a class of 120 college freshman english students were considerated. The residual plot for the least squares regression line showed no pattern. The least square regression line was y = 0.2 + 0.9x with a correlation coefficient r = 0...
Tuesday, September 18, 2012 at 11:59pm by Gee
Statistics
In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a standard deviation of 26. The final exam ...
Sunday, February 1, 2009 at 2:45pm by Jannel
pre-algebra
Use statistics to explain how the times for 6 grades compare to the timesfor 8 grades
Friday, July 16, 2010 at 4:28pm by Luisdavid
pre- algebra(MATH)
I need help with pre-algebra solving equations by multiplying or dividing. Can you help me with this homework for free?
Thursday, November 5, 2009 at 6:04pm by Ketrice
Math
oh no Vitaliy, this person is in 7th grade pre-agebra or 8th grade pre-algebra.
Thursday, February 5, 2009 at 6:58pm by haha
Pre-Calculus check answers
How does statistics relate to algebra and specifically to linear equations and linear programming?
Sunday, August 31, 2008 at 11:46am by boisetta Jacobs
PRE-CALCULUS
THIS IS FOR ALGEBRA/PRE-CALCULUS MATH. I POSTED IT JUST AS THE TEACHER WROTE IT.
Tuesday, September 13, 2011 at 10:41pm by aLVIN
pre algebra
i dont have a math text. i had to take it back to the teacher and plus she never thought me how to do this im in pre algebra not trigonometry
Sunday, June 20, 2010 at 9:38pm by lavena
math, pre-statistics
Prob(rain 1stday)*prob(rain 2nd day)*prob(rain 3rd day) = (.6)(.6)(.6) = .216
Sunday, February 8, 2009 at 9:22pm by Reiny
Pre Calculus
Pre Calculus why is sin(-20)/cos 380 equal to tan (-200)
Sunday, November 15, 2009 at 10:07pm by Pre Calculus
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 ...
Tuesday, May 18, 2010 at 3:44pm by cortez
what does pre-algebra mean??
pre algebra is like a bunch of math that comes before algebra in middle school.
Monday, August 25, 2008 at 9:11pm by Grace
statistics
Given the ensuing well drilling data, answer the following. [Reference: #4.78, page 172] .30 (30%) probability of a productive well absent test information Pre-drilling ballistics test s affirmative result correctly predicts a productive well .70 of the ...
Thursday, October 25, 2007 at 8:23pm by sophia
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?
Monday, October 11, 2010 at 3:10pm by Kathy
statistics
Follow the guidelines here: http://math.about.com/od/statistics/a/MeanMedian.htm The three statistics they have in mind are probably median, mean and mode. In this case, there is no mode, since no number appears more than once.You might tell them what the range is, instead of ...
Sunday, January 8, 2012 at 11:26pm by drwls
statistics
I've got to do a project in my math statistics unit. Surveying people on a resturant. How do I do a draft on poster paper?
Tuesday, May 17, 2011 at 1:47pm by Hunter
statistics
Pre- study scores versus post- study scores for a class of 120 college freshman english students were considerated. The residual plot for the least squares regression line showed no pattern. The least squares regression line was y^=0.2+0.9x withwith a correlation coefficient r...
Thursday, September 13, 2012 at 2:20am by Gee
Pre-Algebra-math
Sorry I am normally great at Pre-Algebra, but this one i cannot figure out. Sorry, Kim! Good Luck!
Tuesday, September 25, 2012 at 3:51am by Delilah
Chemistry/Pre-Calc
You follow the rules for statistics. Common tests are the t-test, the F test, etc. The t-test may be the most commonly used test.
Monday, March 7, 2011 at 3:54pm by DrBob222
statistics page on jiskha
Super!!!!! That poor child looks as befuzzled as I feel when confronted with statistics. Besides, statistics are illogical <G>
Tuesday, September 9, 2008 at 11:48am by GuruBlue
statistics -- needs help
That's really a statistics question. Please wait until a math tutor comes online.
Wednesday, October 5, 2011 at 6:04pm by Ms. Sue
Math i dont understand
<pre>................Inst Theo .............+------------+ Adv Shelly...|............| Dean Tina .............+------------+ ...............Dir Elliott</pre>
Saturday, July 21, 2012 at 9:43am by Steve
statistics
In 1980 (before the era of in-vitro fertilization), there were 3,612,258 births in the United States (according to the U.S. Census Bureau), of which 68,339 births were to twins and 1,337 births were to triplets or more. What was the probability of having multiples (twins or ...
Wednesday, June 19, 2013 at 9:18am by f
what does pre-algebra mean??
Pre-Algebra is basically preparing you for Algebra. Pre-Algebra teaches you Order of Operations, Properties of Numbers, Rational and Irrational Numbers, Exponents, PEMDAS, ect.
Monday, August 25, 2008 at 9:11pm by Delilah
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)
Monday, February 27, 2012 at 3:04pm by caryn
pre-algebra
kk my teach told me to describe and draw things that are about pre-algebra and she told me to write what pre-algebra is... so can anyone help me??
Monday, August 25, 2008 at 9:03pm by damainmind
pre-statistics
Days Stayed Frequency 3 60 4 51 5 14 6 22 7 8 What is the probability a patient stayed at least 5 days? (Round to the nearest thousandth)
Friday, February 6, 2009 at 8:39pm by Regina
math, pre- statistics
Hospital records indicated that maternity patients stayed in the hospital for a number of days shown in the distribution Days Stayed Frequency 1 34 2 23 3 17 4 11 5 8 If a patient's records are selected calculate the probability of each event. A patient stay exactly 3 days...
Friday, February 6, 2009 at 9:17pm by Sabrina
PRE-CALC still stuck
Pre-cal? V=kT V=kr^2 I=V(1/R)
Sunday, October 18, 2009 at 5:55pm by bobpursley
Pre-Calc
pre caculates is the ansewer to above is 25545872
Saturday, October 3, 2009 at 11:19am by Anonymous
pre statistics
In a recent health study it was claimed that 18% of americans are underwieght.If 4 americans randomly selected what is the probability that a. that all will be underweight b.none will be underweight c. at least one will be underweight
Thursday, February 5, 2009 at 10:23pm by Angela
pre calc
A pre-calculus answer is -0.64 + kπ radians, where k∈ℤ.
Monday, January 25, 2010 at 8:11pm by MathMate
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.
Thursday, May 10, 2012 at 12:28pm by Anonymous
Psychology
An essential part of scientific thinking is not only how to use statistics correctly, but also how to identify the misuse of statistics. Our textbook authors suggest that students should: Answer distrust all statistics because they convey a false impression of certainty and ...
Tuesday, April 23, 2013 at 4:11pm by J.J
Pre-K lesson plan
Thanks for your suggestion, but remember this is pre-k (most of the children recently turned 3).... wont this be a bit too complex?
Tuesday, August 5, 2008 at 9:40pm by Mary
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 ...
Tuesday, November 29, 2011 at 12:12am by shirley
pre calc
A math teacher uses four algebra books, two geometry books, and three pre-calculus books for reference. In how many ways can the teacher arrange the books on the shelf if books coiver the same subject matter are kept together?
Sunday, September 25, 2011 at 5:39pm by Katie
statistics help
For complete post, please see Statistics help with Statistics help Part 2 and Part 3
Monday, July 28, 2008 at 11:24am by Student
P Value Math Statistics
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability of Z = -1.57. Is that less than .04?
Sunday, February 24, 2013 at 11:23pm by PsyDAG
Statistics Math Help
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions related to the Z scores.
Saturday, June 18, 2011 at 1:10am by PsyDAG
pre statistics
pr(a.)=18/100*18/100*18/100*18/100 I will be happy to check the others. On the last, remember there are four ways the combination can occur
Thursday, February 5, 2009 at 10:23pm by bobpursley
Math-Statistics
In the back of your statistics text, there is a table labeled something like "areas under the normal distribution." Look for the portion values for the larger or smaller portion to get your Z score. I hope this helps.
Wednesday, December 9, 2009 at 8:57pm by PsyDAG
Need some ideas.... for a Pre-K class
I am teaching a Pre-K class this summer and the theme for the next two weeks is Community History. What could I all my pre-k class to do that connects to this theme? I thought of helping them to construct houses or certain buildings using boxes and also make a large copy of a ...
Saturday, July 5, 2008 at 7:41pm by MARY
Calculus grade 12 exam review PLEASE HELP ASAP !!
THANK U! to be honest i really hate calculus and i didnt really pay attention in the course. im going into kin (of arts) so its a pre-req but i wont be taking any math or calc courses in university, i dont know why its a pre req then. but thanks u so much
Thursday, June 21, 2012 at 3:52pm by Sarah Berkley Adamson
math
The probability that Luis will pass his statistics test is 0.37. Find the probability that he will fail his statistics test.
Tuesday, July 12, 2011 at 7:25pm by candy
statistics
We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 40 students from the population. If the true percentage is really 77%, find the probability of observing 39...
Sunday, August 8, 2010 at 2:01pm by yamini
pre algebra
i told u pre algebra... but i had to give back the text book so i dont have any now
Sunday, June 20, 2010 at 9:38pm by lavena
HELP! pre-algebra
What does this question have to do with pre-algebra? Using an online unscrambling tool, I came up with "proprietors"
Friday, September 5, 2008 at 11:27pm by drwls
Pre-Algebra
I do not get this! me and my friend cannot get the "simplified" ecuation part of the homework! Pre-algebra...... tough work
Tuesday, September 15, 2009 at 11:25pm by Maddison
pre-Algebra
Sorry, struggling through pre-Algebra .. :-( .. How do i figure out 5x = -20 ?
Friday, February 19, 2010 at 9:55pm by Emily
math/statistics
Could anyone explaint to me what role the Binomial Theory plays in statistics and probability? Using statistics, we can make statements about a population based on sample data. Probability helps us make those statements. The binomial theory can be used to determine ...
Tuesday, March 6, 2007 at 10:11pm by Jennie
Statistics
Statistics allow psychologists (or anybody) to determine trends. Once trends have been determined, statistics allow people to analyze exceptions to these trends.
Sunday, June 26, 2011 at 7:11pm by PsyDAG
Pre-Calculus
yeah part exams library go there Pre-Calculus exam
Thursday, October 29, 2009 at 7:46pm by stephanie
pre alg
How do u find the GCF with exponets in a 7th gr. pre alg. class?
Sunday, January 11, 2009 at 6:51pm by tay
Pre-Cal
Yes I am, but I don't understand it. I don't have a teacher to teach me. I do my work online, and I just need 2nd semester of pre-cal to graduate.
Saturday, March 17, 2012 at 9:29pm by Adrianna
english
is pre-analyzed a word? We have pre-analyzed how they would end up if they think they are in love from comparing to Tom and Daisy.
Tuesday, August 23, 2011 at 8:45pm by sam
pre cal
eh? plug in 6 for x. What do you get? If you're taking pre-cal, this should be a no-brainer.
Wednesday, June 19, 2013 at 3:19pm by Steve
Pre-Algebra
the world wobbl e contests? i dunoo pre-algebra sucks
Tuesday, September 15, 2009 at 11:25pm by marina
statistics-math
Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to Z score. Change to percentage.
Wednesday, November 9, 2011 at 3:25pm by PsyDAG
Statistics
No math, just use the table. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between the mean and a Z score of .54.
Monday, October 4, 2010 at 2:09pm by PsyDAG
pre-algebra
so the 15 - 9=4 okay thanks ms. sue for helping me with my 7th grade pre algebra hw I will probably need more help I will jut post my other questions too.
Sunday, September 16, 2012 at 4:23pm by emily
7th grade Pre-Algebra
8(-5)=-40 i hate pre-algebra
Monday, September 14, 2009 at 10:33pm by Mikayla
Math/Statistics
Look up Z = 1.41 in the back of a statistics text in a table called something like "areas under a normal distribution." Since this is a percentile above the mean, the proportion is given in the larger part. Convert that to a percentile. I hope this helps. Thanks for ...
Wednesday, March 25, 2009 at 9:37pm by PsyDAG
pre statistics
Sorry, on the last, you could have 4 ways to have one underweight UFFF, FUFF, FFUF, FFFU Ways to have two U UUff, UfUf, UffU, FUUf, FUfU, FfUU Ways to have three U UUUf, UfUU, FUUU, UUfU Ways to have four U. UUUU
Thursday, February 5, 2009 at 10:23pm by bobpursley
Math-Statistics
Z = (score-mean)/SD 95% = Z = ±1.96 Values for A-D are not 95%. Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the percentages related to the Z scores.
Monday, February 21, 2011 at 4:24am by PsyDAG
pre-ap pre calculus
To solve an equation by finding x-intercepts, Cynthia graphed the function y=x^3-5x+|2x-3| Give several possibilities for the original equation. How do I do it and what's the answer? Thanks
Tuesday, September 8, 2009 at 2:14pm by Anonymous
Pre-Calc
I'm stuck on a pre-calc problem. I need to find y as a function of x, where the constant c is a positive number for In(y-1)+In(y+1)= -x+c express your question as ln[(y-1)(y+1)] = -x+c change that to exponential form e^(-x+c) = (y-1)(y+1) e^(-x+c) = y^2 - 1 y^2 = e^(-x+c...
Wednesday, May 9, 2007 at 12:36pm by Sarah
elementary statistics
Resources: Ch.1 & 2 of Elementary Statistics Complete the following problems from Ch. 1 of Elementary Statistics: o Case Study on p. 15 o Real Statistics/Real Decisions on p. 28 Complete the following problems from Ch. 2 of Elementary Statistics: o ...
Friday, April 16, 2010 at 6:10pm by Anonymous
chem-calorimetry
Knowing as little as I do about the experiment, have what you need pre-measured, pre-weighted, equipment ready to go, and make the addition of the hot water to last thing you do before starting mesurments.
Monday, March 31, 2008 at 10:26pm by DrBob222
math (statistics)
Z = (x - μ)/SD Z = (51 - 59)/8 a) Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion below that Z score. b) Multiply the above proportion by 31.
Sunday, March 28, 2010 at 7:53pm by PsyDAG
math, pre-statistics
A gumball machine is filled randomly with gumballs:red,green,purple,white,pink and yellow. The company claims the following percentages of each can be found in an unopened carton.30%red,20%green,20%purple ,20% white,5%pink and 5%yellow. What is the probability that the first ...
Sunday, February 8, 2009 at 5:53pm by Sabrina
entrepreneur (ontreprenor)
This lovely word has been borrowed from the French. entre = between; among; in, into preneur = taker, buyer The feminine form is entrepreneuse, however we don't use that. Here is what my dictionary says: Main Entry: en·tre·pre·neur Pronunciation: "...
Friday, September 12, 2008 at 6:46pm by SraJMcGin
Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the ...
Saturday, September 17, 2011 at 3:48pm by Cristina
Pre-Calculus
I'm trying to finish up my pre-cal homework and I am stuck on 2 problems... ***determine the intervals over which the function is increasing, decreasing, or constant*** 32. f(x)=x^2-4x 33. f(x)=√x^2-1 (that's square root of x^2-1) thank you so much for the ...
Saturday, September 17, 2011 at 2:40pm by Cristina
statistics
12. A statistics student received a grade of 85 on a statistics midterm. If the corresponding z score equaled +1.50, and the standard deviation equaled 7, what was the average grade on this exam? a. 95.5 b. 74.5 c. 78.0 d. Cannot determine without knowing how many took the ...
Sunday, February 26, 2012 at 3:08pm by tim
Pre-calculus
Looks like calculus not pre-calculus to me by the way. I do not see how to do it without taking the derivative.
Tuesday, November 27, 2012 at 6:01pm by Damon
Pre-Calculus
I am in Honors Pre-Calculus and am having a hard time understanding my teacher. I feel so stupid. Does anyone have any suggestions on a website that might give me some insight into what I am doing wrong? Thanks!
Tuesday, October 7, 2008 at 4:23pm by Jill
pre-calculus
pre-calculus and i didn't understand where the d and cos came from
Thursday, September 29, 2011 at 10:44pm by tatiana
statistics
Given the ensuing well drilling data, answer the following. .30 (30%) probability of a productive well absent test information Pre-drilling ballistics test s affirmative result correctly predicts a productive well .70 of the time Pre-drilling ...
Thursday, October 25, 2007 at 8:10pm by sophia
pre algebra
what's pre-algebra about this? Sounds like 3rd-grade long division. Take a visit to http://www.calculatorsoup.com/calculators/math/longdivisiondecimals.php and you can see all the steps involved with long division
Monday, September 10, 2012 at 11:10pm by Steve
Statistics
Two ways in which practical statistics outweighs statistical significance?
Monday, November 22, 2010 at 5:22pm by Chrissy
statistics
What does the word "typical" have to do in relation to statistics? Is it the same as mode?
Thursday, October 22, 2009 at 9:27pm by mike
statistics in health care
Why are measures of variability essential to inferential statistics?
Saturday, July 26, 2008 at 10:52am by jean
Pre-Calc
Can you show me how to find the rectangular equation of r=2costheta + 3 sin theta All I need is an example to work off I was absent today from Pre-Calc and I have homework to do and no explanation with them-Please help with this one Thank you
Monday, October 3, 2011 at 6:33pm by Leah
STATISTICS QUESTION
Look at a X^2 table in the back of your statistics text.
Thursday, December 1, 2011 at 8:56pm by PsyDAG
Pages: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>
For Further Reading