Business Statistics Sampling Distribution

Business Statistics Sampling Distribution

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:

  1. Calculate the sample proportion for each sample size.
  2. Calculate the single-proportion sampling error for each sample size.
  3. Calculate the probability of finding 198 correctly scanned packages, for a sample of size n=200.
  4. Submit your work Excel file.

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Business Statistics Sampling Distribution
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