3. company claims that at least 60% are mailed within 48 hours. From time to time the quality control department at the company checks whether this promise is fulfilled. Recently the quality control department at this company took a sample of 400 orders and found that 208 of them were mailed within 48 hours of the placement of the orders. Testing at a 1% signifcance level, can you conclude that the company's claim is false? Use the P-Value Approach.

3. company claims that at least 60% are mailed within 48 hours. From time to time the quality control department at the company checks whether this promise is fulfilled. Recently the quality control department at this company took a sample of 400 orders and found that 208 of them were mailed within 48 hours of the placement of the orders. Testing at a 1% signifcance level, can you conclude that the company's claim is false? Use the P-Value Approach.

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

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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