Thursday
May 23, 2013

Posts by shasha


Total # Posts: 41

find the probability
the incomes of trainees at a local mill are normally distributed with a mean of $1100 and a standard deviation of 150. what percentage of trainees earn less than $900 a month?

stats
a study of the amount of time it takes a mechanic to rebuild the transmission of a 1992 chevrolet cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours. if 40 mechanics are randomly selected, find the probability that their mean rebuild time exceeds...

stats. plz help i have exams in two days!
how did u come up with it?thanks

stats. plz help i have exams in two days!
find the indicated prob.: the amount of snowfall falling in a certain mountain range is normally distributed with a mean of 86 inches, and a standard deviation of 12 inches. what is the probability that the mean annual snowfall during 36 randomly picked years will exceeds 88.8...

statistics
if Z is a standard normal variable, find the probability. the probability that z lies between -2.41 and 0

statistics
yea this was a one-sample t-test and thank you for your help. appreciated it!! (:

statistics
use technology to find the P-value for a right-tailed test with n=21 and test statistic t=2.065 apparently, i don't have a stat calculator or statistical software to use to find the answer. so i need help how to find it by using the t distribution table..

COM 220
I reviewed the site and recognized your point my thesis was a pure fact, so how do this sound: While home value across the US is dropping, Fayetteville home values are believed to be soaring.

COM 220
Number 1 in the nation for home value being back on the rise.

COM 220
I wanted to know what arguments and counterarguments I can used for my thesis; While home value across the US is dropping, the city of Fayetteville in NC in ranked number 1 in nation.

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