AIR MATH

Math Question

Records kept for a period of 30 weeks by a dietician at a cafeteria show the following weekly consumption of milk (in gallons). \begin{tabular}{|l|l|l|l|l|l|l|l|l|l|} \hline Milkin gallons & 200 & 205 & 210 & 215 & 220 & 225 & 230 & 235 & 240 \\ \hline Probability & \( 3 / 30 \) & \( 4 / 30 \) & \( 6 / 30 \) & \( 5 / 30 \) & \( 4 / 30 \) & \( 3 / 30 \) & \( 2 / 30 \) & \( 2 / 30 \) & \( 1 / 30 \) \\ \hline \end{tabular} Find the average number of gallons of milk consumed per week.

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