Help meh please

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An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

John has 1/2 pound of oranges to share with julie. if they share the oranges equally, how much will each of them have?

30 ! the graph shows the number of siblings different students have. select from the drop-down menus to correctly complete the statement.