85% of all restaurants fail after one year.  Is that number different for Chinese restaurants?  Out of a random selection of 200 new Chinese restaurants, 175 had failed after one year. Use a 0.05 significance level to test your hypothesis.     What is the probability of Z obt? (Round to the nearest hundredth)

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
85% of all restaurants fail after one year.  Is that number different for Chinese restaurants?  Out of a random selection of 200 new Chinese restaurants, 175 had failed after one year. Use a 0.05 significance level to test your hypothesis.     What is the probability of Z obt? (Round to the nearest hundredth)
**Question 6**

For this problem, you will need: pencil, paper, calculator, z-crit significance levels, and a NC probability calculator.

**Z-Crits for Common Significance Levels**
[Link to Google Document](https://docs.google.com/document/d/1kcDDA6ozfZcoeL0ghihjyJ4C09YKwSuQUGOTQLLpLdI/edit?usp=sharing)

**Normal Curve Probability Calculator**
[Link to Math Portal](https://www.mathportal.org/calculators/statistics-calculator/normal-distribution-calculator.php)

85% of all restaurants fail after one year. Is that number different for Chinese restaurants? Out of a random selection of 200 new Chinese restaurants, 175 had failed after one year. Use a 0.05 significance level to test your hypothesis.

What is the probability of \( Z_{obt} \) (round to the nearest hundredth)?

[Text box for answer]

---

This section presents a problem to evaluate whether the failure rate for Chinese restaurants differs from the general failure rate of 85% for all restaurants. It includes links for tools required to calculate z-scores and probabilities for hypothesis testing.
Transcribed Image Text:**Question 6** For this problem, you will need: pencil, paper, calculator, z-crit significance levels, and a NC probability calculator. **Z-Crits for Common Significance Levels** [Link to Google Document](https://docs.google.com/document/d/1kcDDA6ozfZcoeL0ghihjyJ4C09YKwSuQUGOTQLLpLdI/edit?usp=sharing) **Normal Curve Probability Calculator** [Link to Math Portal](https://www.mathportal.org/calculators/statistics-calculator/normal-distribution-calculator.php) 85% of all restaurants fail after one year. Is that number different for Chinese restaurants? Out of a random selection of 200 new Chinese restaurants, 175 had failed after one year. Use a 0.05 significance level to test your hypothesis. What is the probability of \( Z_{obt} \) (round to the nearest hundredth)? [Text box for answer] --- This section presents a problem to evaluate whether the failure rate for Chinese restaurants differs from the general failure rate of 85% for all restaurants. It includes links for tools required to calculate z-scores and probabilities for hypothesis testing.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman