# Question: The percentage of protein in a certain brand of dog

The percentage of protein in a certain brand of dog food is a normally distributed random variable with mean 11.2% and standard deviation 0.6%. The manufacturer would like to state on the package that the product has a protein content of at least x1% and no more than x2%. It wants the statement to be true for 99% of the packages sold. Determine the values x1 and x2.

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