Number of results: 215,514
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
ib math studies
i dont know how to make it into more math statistics related than a fashion design.
Monday, October 29, 2007 at 9:21pm by Yousra
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
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
If your question relates to statistics, any distribution of scores can only have one median — the point at which 50% of the scores have a lower value and 50% of the scores have a higher value. If the median lies between two scores, then the value of the median can be found by ...
Wednesday, June 3, 2009 at 3:15pm by PsyDAG
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
Look up Z scores under a table in the back of your statistics text labeled something like "areas under the normal distribution." There you will find that for a two-tailed test, if Z = 1.96, P = .05. Find the values for the other alternatives to answer your question. I hope ...
Saturday, December 12, 2009 at 2:43pm by PsyDAG
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
Here is the math (35,000<X<40,000)=P((35,000-36,280)/3,300<(X-36,280)/3,300<(40,000-36,280)/3,300)=P(-0.3879<Z<1.1273) =P(Z<1.1273)-P(Z<-0.3879)=0.8702-0.3491= 0.5211
Monday, November 29, 2010 at 1:36pm by Logan
a. Sample mean not given, expect normality. b. Without more info, expect sample mean = pop. mean c. SEm = SD/√(n-1), but you can just use n d, e, f. Z = (score-mean)/SEm Find table in the back of your statistics text labeled something like "areas under normal ...
Tuesday, February 8, 2011 at 9:14pm by PsyDAG
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
Holy smoke!! 8 posts in under 3 minutes! To quote one of our very good math and science tutors: “You will find here at Jiskha that long series of questions, posted with no evidence of effort or thought by the person posting, will not be answered. We will gladly respond to your...
Sunday, May 1, 2011 at 5:20pm by Writeacher
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
Pr(Cash or check)=Pr(cash)+Pr(check)-Pr(cash AND check) pr(Cash AND check)=(.51+.54-.71) http://www.pindling.org/Math/Statistics/Textbook/Chapter4_Probability/compound_events.htm cash, check are not mutually exclusive
Saturday, October 22, 2011 at 9:54am by bobpursley
STATISTICS PLEASE HELP!!!!! I am sorry this is jy second time posting, but I really need help. I have tried contacting my teacher and classmates with no luck. Please just steer me in the right direction!: Suppose cars arrive at Burger King's drive-through at the rate of 20 ...
Saturday, October 22, 2011 at 6:21pm by Jake
Assuming two-tailed test, x = mean, ƒD = Standard deviation: 90% = mean ± 1.645 SEm SEm = SD/√n = Standard Error of the mean 99% = mean ± 2.575 SEm 95% = mean ± 1.96 SEm Find table in the back of your statistics text labeled something like "areas under normal ...
Tuesday, December 6, 2011 at 3:48pm by PsyDAG
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: ...
Tuesday, January 31, 2012 at 8:38pm by Mandy
Hi I need help with Statistics. Can anyone help me to understand it better? I am in fear that if I do not figure this out soon I will fail my class. I am needing help with the chapters 12,and 13. in the book called Statistical Reasoning in the Behavioral Sciences, 6th edition...
Sunday, February 19, 2012 at 12:56pm by Sara
The table below shows Rico’s grades during the third term in four subjects. Subject Units Grade Math 1.5 98 Science 2 97 English 1.5 95 A.P. 1 99 What was Rico’s average grade in the four subjects?
Friday, October 19, 2012 at 11:30pm by Milen
P Value Math Statistics
Find the P-value for the indicated hypothesis test with the given standardized test statistics, z. Decide whether to reject H0 for the given level of significance a. two-tailed test with test statistic z= -1.57 and a=0.04
Sunday, February 24, 2013 at 11:23pm by Katie