Final answer:
The distribution that the manufacturing manager would use to model the selection of cell phones from yesterday's production run is the uniform distribution.
Step-by-step explanation:
The distribution that the manufacturing manager would use to model the selection of cell phones from yesterday's production run is the uniform distribution.
A uniform distribution is a probability distribution in which every possible outcome has an equal chance of occurring. In this case, since each of the 1000 phones is equally likely to be selected, the selection follows a uniform distribution.