ounces. The distribution of actual weights of 8-oz chocolate bars produced by a certain machine is normal with mean 7.7 ounces and standard deviation 0.17 (a) What is the probability that the average weight of a bar in a Simple Random Sample (SRS) with three of these chocolate bars is between 7.56 and 7.9 ounces? ANSWER: (b) For a SRS of three of these chocolate bars, what is the level I such that there is a 4% chance that the average weight is less than L? ANSWER:

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