Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

A marketing manager for a cell phone company claims that the percentage of children aged8-12 who have cell phones differs from52%. In a survey of832

A marketing manager for a cell phone company claims that the percentage of children aged8-12 who have cell phones differs from52%. In a survey of832 children aged8-12 by a national consumers group,449of them had cell phones. Can you conclude that the manager's claim is true? Use the = 0.10 level of significance and theP-valuemethod with the table.

  1. State the appropriate null and alternate hypotheses.
  2. Is this hypothesis test right-tailed, left-tailed, or two-tailed?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access with AI-Powered 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

Introduction To Health Care Management

Authors: Sharon B. Buchbinder, Nancy H. Shanks

3rd Edition

128408101X, 9781284081015

Students also viewed these Mathematics questions