Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. basic math
  3. a cell phone carrier claims that 90% of customers

A cell phone carrier claims that 90% of customers are very satisfied with the servicethey...

70.2K

Verified Solution

Question

Basic Math

image

A cell phone carrier claims that 90% of customers are very satisfied with the servicethey receive. The local paper thinks the true proportion is lower and decides to testthe claim, they surveyed 100 customers using a simple random sampling. Among thesampled customers, 79% percent say they are very satisfied. What is an appropriatenull and alternative hypothesis?Hx: p = 79H.: p <.79OH, p = 9H.: p<.9Hx p = .79H?:p>.9Ho: p= .9H.:p>.9

Answer & Explanation Solved by verified expert
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Chemistry
1.2K views

Which of the following solutions would have the highest pOH? a. 0.2 M KOH b. 0.1 M NaOH c. 0.2 M...

Electrical Engineering
1.2K views

Matlab program Create a function, when given a two-digit integer as input, prints the equivalent English phrase....

Biology
1.2K views

Choose the statement that best describes how the skeletal muscle pump works.Increasing abdominal pressure and...

Physics
1.2K views

For constructive interference to take place between two monochromatic light waves of wavelength A the...

Geometry
1.2K views

The lengths of the sides of a triangle are given Classify each triangle as acute...

Accounting
1.2K views

Problem 10-9 (Algo) Comprehensive Variance Analysis [LO10-1, LO10-2, LO10-3] Marvel Parts, Incorporated, manufactures auto accessories....

Accounting
1.2K views

Question 8 of 30. Which of the following is an example of an in-person random...

Accounting
1.2K views

Stellar Software Corp. has assembled the following data for the years ending December 31, 2021...

Accounting
1.2K views

Harris Co. is considering a 12-year project that is estimated to cost $900,000 and has...

Accounting
1.2K views

What would the tax rate be if the gross pay is $7500, and the net...

Accounting
1.2K views

In the analysis of a typical decision analysis problem such as the two problems above,...

Finance
1.2K views

Suppose today is February 10, 2017, and your firm produces breakfast cereal and needs 180,000...