Determine z test for population proportions

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Media Disk, Inc. duplicates over a million 3.5" floppy disks each year by copying masters to stacks of blank disks. The company buys its blank stock from two different suppliers, A and B. The manager has decided to check each supplier's stock by counting the rejected disks in the next run from 5,000 that just arrived from supplier A and 4,500 that just arrived from supplier B. During the run, the disk duplicators rejected 73 of A's disks and 56 of B's.

Media Disk, Inc. duplicates over a million 3.5" floppy disks each year

Reference no: EM13106669

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