Posted by thelma on Friday, February 18, 2011 at 11:41pm.
if a data se has a mean of 10.0 seconds & a standard deviation of 2.0 seconds, what is the z score corresponding to the time of 4.0 seconds?

statistics  Reiny, Saturday, February 19, 2011 at 10:44am
zscore(4s) = (410)/2

statistics  PsyDAG, Saturday, February 19, 2011 at 10:45am
Z = (scoremean)/SD
Insert values and calculate.

statistics  Mia, Saturday, July 23, 2011 at 8:28pm
A particular statistician knows that approximately 35% of people do not tell the truth when polled. If 400 people were polled in a survey, how many would be expected to answer before someone answers untruthfully?
Answer This Question
Related Questions
 statistics  If a data set has a mean of 10.0 seconds and a standard deviation ...
 Statistics  If a completion time for a task is normally distributed with a mean...
 Math3( Please Help Assignment Due)  80 U2 songs (in seconds) were selected at ...
 statistics  A sample of 16 ATM transactions shows a mean transaction time of 67...
 Statistics  New data is added to change the mean time to 6 mninutes and 10 ...
 Math(Please Help Assignment Due Tomorrow)  From the length(in seconds) of 80 ...
 stats  a sample of 16 atm transactions shows a mean transaction time of 67 ...
 statistics  According to a bank, the time taken by its customers to use cash ...
 Statistics  A song must be n longer than 3 minutes and 30 seconds, or (210 ...
 Statistics  A song must be n longer than 3 minutes and 30 seconds, or (210 ...
More Related Questions