The label on the bag of a certain brand of potato chips claims the bag contains 52 grams of chips.

The label on the bag of a certain brand of potato chips claims the bag contains 52 grams of chips. In fact, weights of chips per bag are known to follow a normal distribution with standard deviation 1.7 grams. What must be the mean weight of all bags of chips in order for only 12% of bags to have weights below the amount on the label