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Calculate the sample proportion for each sample size

    Assignment Instructions

    Assignment ID: FG133135130

    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.

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