Saturday
July 2, 2016

Posts by devika

Total # Posts: 9

physics
A train is moving with an initial velocity of 30 m/s the breaks are applied so as to produce uniform acceleration of minus 1.5m/s Calculate the time in which it will come to rest
June 6, 2016

English
I went to buy a DVD but The shop didn't have it.
February 3, 2016

English
I went to buy a DVD.The shop didn't have it.
February 3, 2016

English
I went to buy a DVD.THE shop didn't have it.
February 3, 2016

Math
What is the explicit form of the following sequence: 1.5, 3.6, 4.2, 5.4, 7.9, 8.3, 8.6, 9.7
February 11, 2014

Statistics
Why do we use Z score to build on confidence intervals rather than t score?
July 20, 2012

Statistics
You are getting ready to take a sample from a large population, and need to determine the appropriate sample size. You are estimating sales at a large chain of department stores. A previous survey from the same population found a standard deviation of $18. What sample size is ...
July 16, 2012

statistics
A random sample of size 81 is taken from a large population, measuring the time it takes to complete a driver’s license examination. The sample mean was found to be 43 minutes, and the sample standard deviation 5.71 minutes. Construct a 95% confidence interval around the ...
July 16, 2012

Math
need help
April 7, 2010

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