Thursday

April 17, 2014

April 17, 2014

Number of results: 237,464

**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*

**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*

**Statistics**

In Professor White’s 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 exam ...
*Sunday, October 21, 2012 at 11:08pm by Kevin*

**college pre statistics**

See previous post.
*Wednesday, March 11, 2009 at 5:11pm by MathGuru*

**pre-statistics**

Pr=(14+22+8)/(60+51+...+8)
*Friday, February 6, 2009 at 8:39pm by bobpursley*

**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!*

**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 scores ...
*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*

**Pre Calculus**

Pre Calculus why is sin(-20)/cos 380 equal to tan (-200)
*Sunday, November 15, 2009 at 10:07pm by Pre Calculus*

**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*

**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 time • Pre-...
*Thursday, October 25, 2007 at 8:23pm by sophia*

**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 ...
*Tuesday, May 18, 2010 at 3:44pm by cortez*

**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*

**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*

**Math i dont understand**

<pre>................Inst Theo .............+------------+ Adv Shelly...|............| Dean Tina .............+------------+ ...............Dir Elliott</pre>
*Saturday, July 21, 2012 at 9:43am by Steve*

**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*

**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**

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*

**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*

**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*

**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 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*

**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*

**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*

**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 calc**

A pre-calculus answer is -0.64 + kπ radians, where k∈ℤ.
*Monday, January 25, 2010 at 8:11pm by MathMate*

**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*

**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" ...
*Saturday, November 16, 2013 at 8:55pm by kitty*

**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*

**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*

**Math: Pre-calculus**

P=2(W+L) A=WL, so L = 180/W so, P = 2(W+180/W) This is pre-cal, so you don't have calculus at your disposal. But, you do know that a square has maximum area for a given perimeter. So, W = L = √180 = 6√5
*Sunday, October 6, 2013 at 5:35pm by Steve*

**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**

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*

**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*

**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*

**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*

**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*

**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*

**Statistics**

oops typo, In the following question, identify which choices would be considered descriptive statistics and which would be considered inferential statistics.
*Saturday, November 16, 2013 at 8:55pm by kitty*

**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" Is the statement descriptive statistics or inferential statistics? b) "58 percent of the people in NYC do not have type O+ blood" Is the statement ...
*Saturday, November 16, 2013 at 10:42pm by kitty*

**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*

**statistics**

Right, this is descriptive statistics, not inferential. http://sociology.about.com/od/Statistics/a/Descriptive-inferential-statistics.htm
*Tuesday, January 7, 2014 at 10:49am by PsyDAG*

**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*

**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 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*

**pre-Algebra**

Sorry, struggling through pre-Algebra .. :-( .. How do i figure out 5x = -20 ?
*Friday, February 19, 2010 at 9:55pm by Emily*

**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**

How do you solve this Pre-Algebra problem: $1.25x + $2.25y = $916 x + y = 560
*Saturday, February 1, 2014 at 7:02pm by 8th Grade*

**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-Calculus**

yeah part exams library go there Pre-Calculus exam
*Thursday, October 29, 2009 at 7:46pm by stephanie*

**pre-algebra**

i don't get them
*Thursday, November 14, 2013 at 11:07am by pre-algbra*

**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**

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*

**pre calculus**

You need to write out the question. I have no idea what "pre calculus" this could be, maybe zeroes, however, that is standard fare for an algebra course.
*Tuesday, December 10, 2013 at 6:26pm by bobpursley*

**pre calculus**

You need to write out the question. I have no idea what "pre calculus" this could be, maybe zeroes, however, that is standard fare for an algebra course.
*Tuesday, December 10, 2013 at 6:26pm by bobpursley*

**Pre-Algebra**

the world wobbl e contests? i dunoo pre-algebra sucks
*Tuesday, September 15, 2009 at 11:25pm by marina*

**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*

**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*

**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**

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" Is the statement descriptive statistics or inferential statistics?
*Friday, November 15, 2013 at 9:45am by becca*

**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*

**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**

Of 500 randomly selected people in new york city, 210 people had O+ blood. "58 percent of the people in NYC do not have type O+ blood" Is the statement descriptive statistics or inferential statistics?
*Sunday, November 17, 2013 at 5:08pm by kitty*

**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*

**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) + 1 ...
*Wednesday, May 9, 2007 at 12:36pm by Sarah*

**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*

**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*

**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*

**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*

**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**

A statistics teacher believes that the final exam grade for her elementary stats class have a normal distribution with a mean of 82 and a standard deviation on 8. Find the score which separates the top 10% of the scores from the lowest 90% of the scores.
*Sunday, August 11, 2013 at 8:51pm by Sean*

**Math Statistics**

Z = (score-mean)/SD Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportions/probabilities related to the Z scores. Reverse process with last question, starting with .90.
*Thursday, November 14, 2013 at 12:13am by PsyDAG*

**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: "änn-tr&-p(r)&-'n&r, -'n(y)ur ...
*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 help =)
*Saturday, September 17, 2011 at 2:40pm 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 help =)
*Saturday, September 17, 2011 at 3:48pm by Cristina*

**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*

**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 asking.
*Wednesday, March 25, 2009 at 9:37pm by PsyDAG*

**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*

Pages: **1** | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | Next>>