SOLUTION: The amount of corn chips dispensed into a 12-ounce bag by the dispensing machine has been identified as possessing a normal distribution with a mean of 12.5 ounces and a standard

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Question 385987: The amount of corn chips dispensed into a 12-ounce bag by the dispensing machine has been
identified as possessing a normal distribution with a mean of 12.5 ounces and a standard
deviation of 0.2 ounce. What proportion of the 12 ounce bags contain more than the advertised
12 ounces of chips?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
bags with a weight more than 2.5 standard deviations below the mean

this means a z-score < -2.5

using a z-score table , the proportion is approx 0.62%