Posted by UG on Tuesday, November 8, 2011 at 1:20am.
The amount of corn chips dispensed into a 16ounce bag by the dispensing machine has been identified at
possessing a normal distribution with a mean of 16.5 ounces and a standard deviation of 0.1 ounce. Suppose 400
bags of chips were randomly selected from this dispensing machine. Find the probability that the sample mean
weight of these 400 bags exceeded 16.6 ounces

statistics  PsyDAG, Tuesday, November 8, 2011 at 10:17am
Z = (mean1  mean2)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to the Z score.

statistics  niel, Wednesday, June 5, 2013 at 4:04pm
.5062

statistics  Anonymous, Saturday, April 18, 2015 at 4:47pm
0.3085

statistics  Andrea, Saturday, April 23, 2016 at 11:04am
Actually, I believe it's approximately zero.
Source: I have a MS in Mathematics

statistics  Andrea, Saturday, April 23, 2016 at 11:06am
Pardon me... approximately zero if the standard deviation is 0.2 ozs.
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