Posted by **tonja** on Thursday, February 9, 2012 at 12:11pm.

If the mean value of the weight of a particular brand of dog food is 20.6 lb and the standard deviation is 1.3, assume a normal distribution and calculate the amount of product produced that falls below the lower specification value of 19.7 lb.

- statistics -
**PsyDAG**, Friday, February 10, 2012 at 12:03pm
Z = (score-mean)/SD

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 -
**Elizabeth**, Sunday, February 17, 2013 at 3:44pm
19.7-20.6/1.3 = -.69 = 25% or 25 percent are less than 19.7 pounds

## Answer this Question

## Related Questions

six sigma - If the mean value of the weight of a particular brand of dog food ...

Statistics - The Gibbs Baby Food Company wishes to compare the weight gain of ...

Statistics - In the library on a university campus, there is a sign in the ...

Statistics - In the library on a university campus, there is a sign in the ...

MATH - Which of the following normal distributions has the smallest spread? A. A...

statistics - A sample of 25 men has a mean weight of 65kg with standard ...

Statistics - Hi! I've been stuck on this question for a while. I know that I ...

Statistics (Math) - A government report looked at the amount borrowed for ...

Statistics - The distribution of IQ scores is a nonstandard normal distribution ...

statistics - A production process is considered to be out of control if the ...