accounting firm annually monitors a certain mailing service's performance. One parameter of interest is the percentage of mail delivered on time. In a sample of 346,000 items mailed between Dec. 10 and Mar. 3—the most difficult delivery season due to bad weather and holidays—the accounting firm determined that 241,300
accounting firm annually monitors a certain mailing service's performance. One parameter of interest is the percentage of mail delivered on time. In a sample of 346,000 items mailed between Dec. 10 and Mar. 3—the most difficult delivery season due to bad weather and holidays—the accounting firm determined that 241,300
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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An accounting firm annually monitors a certain mailing service's performance. One parameter of interest is the percentage of mail delivered on time. In a sample of
346,000
items mailed between Dec. 10 and Mar.
3—the
most difficult delivery season due to bad weather and
holidays—the
accounting firm determined that
241,300
items were delivered on time. Use this information to make a statement about the likelihood of an item being delivered on time by that mailing service.Assuming a confidence level of 95%, the likelihood of an item being delivered on time (when it was mailed between Dec. 10 and Mar. 3) is in the interval
(enter your response here,enter your response here).
(Round to four decimal places as needed.)
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