Answered step by step
Verified Expert Solution
Question
1 Approved Answer
attached as image A retail company is using trial services by three transportation companies. It randomly assigns its shipments to these transporters an proportion of
attached as image
A retail company is using trial services by three transportation companies. It randomly assigns its shipments to these transporters an proportion of on time delivery are recorded in the table below for seven trial days. Transporter proportion of on time shipment 1 0.96 0.98 0.97 0.98 0.96 0.96 0.95 N 0.94 0.97 0.96 0.96 0.95 0.98 0.97 0.98 3 0.85 0.89 0.93 0.91 0.88 0.93 0.91 0.88 (a) Find a 90% confidence interval for the difference in the on time delivery performance of of transporters 1 and 2. Can we conclude that there is a difference in their means at the 10% level of significance? (b) Find a 90% confidence interval for the difference in the on time delivery performance of of transporters 2 and 3. Can we conclude that there is a difference in their means at the 10% level of significance? (c) Can you say at 5 percent significance that the target of maintaining on time delivery of 95 percent is met by transporter 1. [3 + 3 + 3 =9]Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started