help with a statistics question? PLEASE!?

Ryan: Please help me out with this.

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Well, using a calculator would be easiest.

2nd -> VARS -> normalcdf(22,35,26,4)

normalcdf (min, max, mean, standard deviation)

= 0.8291 = 82.91%

Noncalc (in case you want to prove to people that you can solve the problem on your own):

Find the Z-scores of 22 and 35 ounces (z=(x-u)/o - google z-score equation if you need to). Next, find the percentages of z-scores based on Table A (Standard Normal Probabilities). Then Subtract the percentages to get the answer.

Hope I helped ^-^

100%.... if the machine garentees to output at least 26 ounces if it's 4 oz shy of that every time it is still between 22-35 because it will never go above 30 (26+4=30)

Hope that helps!!