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The Weight of Crackers in a Box Is Stated to Be

Question 2

Multiple Choice

The weight of crackers in a box is stated to be 450 grams.The amount that the packaging machine puts in the boxes is believed to have a Normal model with mean 465 grams and standard deviation 30 grams.What is the probability that the mean weight of a 50box50 - \mathrm { box } case of crackers is above 450 grams?


A) 0.0002
B) 0.9996
C) 0.9998
D) 0.0004
E) 0.9994

Correct Answer:

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