3. An auditor for the Philippine Postal Service wants to examine its special five-day priority mail handling to determine the proportion of parcels that actually arrive within the promised five-day period. A randomly selected sample of 3000 such parcels is found to contain 1550 that were delivered on time. Does the sample data provide evidence to conclude that the percentage of on-time parcels is more than 85% (using a=0.01) Step 1: State the hypotheses. Step 2: The level of significance, one/two-tailed test, degrees of freedom Step 3: Statistical Test Step 4: Computation Step 5: Decision Rule Step 6: Reject Ho or Failed to Reject Ho Step 7: Conclusion

3. An auditor for the Philippine Postal Service wants to examine its special five-day priority mail handling to determine the proportion of parcels that actually arrive within the promised five-day period. A randomly selected sample of 3000 such parcels is found to contain 1550 that were delivered on time. Does the sample data provide evidence to conclude that the percentage of on-time parcels is more than 85% (using a=0.01) Step 1: State the hypotheses. Step 2: The level of significance, one/two-tailed test, degrees of freedom Step 3: Statistical Test Step 4: Computation Step 5: Decision Rule Step 6: Reject Ho or Failed to Reject Ho Step 7: Conclusion

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 8SGR

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