Sampling Distribution
A computer scanner can read a bar code on a package correctly 97% of the time. One company monitors the accuracy of the scanner by randomly sampling packages and verifying that each package has been correctly scanned.
Random samples of size n = 25, 50, 100, and 200 have recently been taken with the following results.
Sample Size, n Number Correctly Scanned
25 24
50 49
100 95
200 193
To complete this activity, use Excel to:
Calculate the sample proportion for each sample size.
Calculate the single-proportion sampling error for each sample size.
Calculate the probability of finding 198 correctly scanned packages, for a sample of size n=200.
Submit your work Excel file.
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