How to find a precondition or postconditions in python , if possible with an example.(not a difficult one please).

Which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

Whose task it is to ensure that the product flows logically from one step to another?

Asample of 200 rom computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows: 8, 19, 27, 17, 38, 18, 4, 27, 9, 22, 30, 17, 14, 23, 15, 14, 12, 20, 13, 18, 14, 20, 9, 27, 30, 13, 10, 19, 12, 26. construct a p chart and examine it for any out-of-control points. (round your answers to four decimal places.)