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Suppose a group of servers at a chain of restaurants earns an average of $190 per week in tips with a standard deviation of $16. Assume all of the weekly tip amounts are normally distributed. Use the 68-95-99.7 rule to determine the percentage of servers in the restaurant chain expected to earn between $142 and $206 in weekly tips.

Keep all decimal places throughout your calculations and in your final answer. Express your answer in acomplete sentence form. Please include a labeled sketch of the normal curve, with a shaded region that corresponds to your answer.