February 20, 2017

Search: ststistics

Number of results: 11

what is the main different of ststistics and maths
July 5, 2013 by zekarias kasssa

college ststistics
given x =237 u =2.00 and s=12.3 find z
June 4, 2012 by melba

college ststistics
find area under the standard normal curve A). p(z>0.58) B. p(-1.10<z<0)C. P(-1.60>=<z<2.09)
June 3, 2012 by melba

college ststistics
given x is a noramlly distributed random variable with a mean of 28 and a sd of 7 find p(x<28)
June 11, 2012 by melba

give an example of an article that shows the chi-square assumption method of ststistics
July 3, 2011 by jonja

A sample of 3000 observations has a mean of 86 and a standard deviation of 13. The distribution is bell-shaped. Using the empirical rule, find what percentage of the observations fall in the intervals
September 18, 2013 by myself

each tire of an 18 wheeler has a probability of 5% TO maintain on a 10000 mile trip. WhAt is the probability that no more than 3 tires need maintenance during this trip. How do i do this?
January 20, 2011 by pat

Ive downloaded 3 journal articles, i just neeed someone to help me identify the ststistical procedures used in each articles Can somebody who knows ststistics plesse help me... How do u want to read theses 3 short journsl articles? Plesse i beg u
January 25, 2017 by Joy

A researcher conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a particular job-skills training program. The cutoff "t" needed is -1.8333. The standard deviation of the distribution of means of ...
October 5, 2009 by stat

college ststistics
A. find the binomial probability p(x=5) where n=14 and p=0.30. B. setup without solving the binomial probability p(x is at most 5) using probability notation C. how would you find normal approximation to the binomial probability p(x=5) in part A. please show how you would ...
June 3, 2012 by melba

24% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number of college students who say they use credit cards because...
July 25, 2016 by Anonymous

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