Question: A waitress works a full shift and keeps a record of how much money she made in tips (y) from each customer's bill (x).

A waitress works a full shift and keeps a record of how much money she made in tips (y) from each customer's bill (x). The equation of the regression line is found to be y = 0.18x-1.35. Find the best predicted tip that a customer will give with a bill of $21.18. Round to the nearest penny. $125.17 $3.81 $2.46 $5.16

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