The amount of corn chips dispensed into a 19-ounce bag by the dispensing machine has been
identified as possessing a normal distribution with a mean of 19.5 ounces and a standard deviation
of 0.2 ounce. Suppose 400 bags of chips were randomly selected from this dispensing machine. Find the probability that the sample mean weight of these 400 bags exceeded 19.6 ounces,
A) approximately 0
B) 0.3085
C) 0.6915
D) 0.1915
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