Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

|_ Cond Nast Traveler conducts an annual survey in which readers rate iheir favorite cruise ship. All ships are rated on a IUDpoint scale, with

image text in transcribed
|_ Cond Nast Traveler conducts an annual survey in which readers rate iheir favorite cruise ship. All ships are rated on a IUDpoint scale, with higher values indicating better service. A sample of 37 ships that carryr fewer than 50!] passengers resulted in an average rating of 85.32, and a sample of 44 ships that carry SDI} or more passengers provided an average rating of 81.1. Assume that the population standard deviation is 4.52 for ships that earn:r fewer than 500 passengers and 3.95 for ships that carry EDD or more passengers. Round your all answers to two decimal places. a. What is the point estimate of the difference between the population mean rating for ships that carryr fewer than 500 passengers and the population mean rating for ships that oarr',r 500 o more passengers? I). At 95% condence, what is the margin of error'?I = That's Incorrect lference between the population mean ratings for the two size; of ships? Use ztahle. Check My Work

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Calculus Early Transcendentals

Authors: Michael Sullivan, Kathleen Miranda

2nd Edition

1319067484, 9781319067489

More Books

Students also viewed these Mathematics questions