Before launching its Buyers' Assurance Program, American Express wanted to estimate the proportion of cardholders who would

Question:

Before launching its Buyers' Assurance Program, American Express wanted to estimate the proportion of cardholders who would be interested in this automatic insurance coverage plan. A random sample of 250 American Express cardholders was selected and sent questionnaires. The results were that 121 people in the sample expressed interest in the plan. Give a 99% confidence interval for the proportion of all interested American Express cardholders.

Fantastic news! We've located the answer you've been seeking!

Step by Step Answer:

Related Book For  answer-question

Complete Business Statistics

ISBN: 9780077239695

7th Edition

Authors: Amir Aczel, Jayavel Sounderpandian

Question Posted: