SOLUTION: A purveyor of gourmet foods blends coffee for sale. One pound of brand A makes, on the average, 50.8 cups of coffee with a standard deviation of 3.3 cups. One pound of brand B make
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Question 1083128: A purveyor of gourmet foods blends coffee for sale. One pound of brand A makes, on the average, 50.8 cups of coffee with a standard deviation of 3.3 cups. One pound of brand B makes, on the average, 51.2 cups of coffee with a standard deviation of 4.6 cups. Assuming normal distribution, which brand of coffee is more likely to provide at least 50 cups of coffee to the pound? Answer by Boreal(15235) (Show Source):
You can put this solution on YOUR website! z for the second one >50 is (51.2-50)/4.6=0.2609
z for the first one >50 is (50.8-50)/3.3=0.2424
The second one. One just needs to compare z scores.
