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The mean of domestic airfares in the United States is $450 per ticket. Assume that the domestic airfares are normally distributed with a standard deviation

The mean of domestic airfares in the United States is $450 per ticket. Assume that the domestic airfares are normally distributed with a standard deviation of $120. What would be the maximum cost of a ticket if it is in the lower 3% of the distribution of domestic airfares

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