How many boxes of lettuce should the supermarket purchase tomorrow? Note: Use Excel's NORM.S.INV() function to find the z value.

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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The local supermarket buys lettuce each day to ensure really fresh produce. Each morning, any lettuce that is left from the previous day is sold to a dealer that resells it to farmers who use it to feed their animals. This week, the supermarket can buy fresh lettuce for $11.00 a box. The lettuce is sold for $25.00 a box and the dealer that sells old lettuce is willing to pay $3.00 a box. Past history says that tomorrow's demand for lettuce averages 265 boxes with a standard deviation of 42 boxes. How many boxes of lettuce should the supermarket purchase tomorrow? Note: Use Excel's NORM.S.INV() function to find the z value. Round your answer to the nearest whole number.

 
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