Thread: mean and standard deviation help please!

I have a question here that I cannot figure out (actually a few). I am not to good at this, and need some one to help me out. If you can help on this one maybe I can figure out the rest.

The weight of potato chip bags filled by a machine at a packing plant is normally distributed with a mean of 15.0 ounces and a standard deviation of 0.2 ounces. What is the probability that a randomly chosen bag will weigh more than 15.6 ounces?

Originally Posted by mercury228

I have a question here that I cannot figure out (actually a few). I am not to good at this, and need some one to help me out. If you can help on this one maybe I can figure out the rest.

The weight of potato chip bags filled by a machine at a packing plant is normally distributed with a mean of 15.0 ounces and a standard deviation of 0.2 ounces. What is the probability that a randomly chosen bag will weigh more than 15.6 ounces?

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Use your Standard Normal Distribution Tables to finish the calculation.