For this problem you will need: pencil, paper, calculator, z-crit significance levels. and a NC probability calculato Z-Crits for Common Significance Levels https://docs.google.com/document/d/1bkcDAOsof2cceLd0ghlhiyJ4C09VkQwSuGUcOTQLLpl/edit?usp3sharing Normal Curve Probability Calculator 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 n restaurants, 175 had failed after one year. Use a 0.05 significance level to test your hypothesis. Do vou retain or reiect the null hypothesis?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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For this problem you will need: pencil, paper, calculator, z-crit significance levels. and a NC probability calculator,
Z-Crits for Common Significance Levels
https://docs.google.com/document/d/1bkcDAOsof2cceLd0ghlhiyJ4C09VkQwSuGUcOTQLLpl/edit?usp3sharing
Normal Curve Probability Calculator
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.
Do you retain or reject the null hypothesis?
Transcribed Image Text:For this problem you will need: pencil, paper, calculator, z-crit significance levels. and a NC probability calculator, Z-Crits for Common Significance Levels https://docs.google.com/document/d/1bkcDAOsof2cceLd0ghlhiyJ4C09VkQwSuGUcOTQLLpl/edit?usp3sharing Normal Curve Probability Calculator 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. Do you retain or reject the null hypothesis?
For this problem you will need: pencil, paper, calculator, z-crit significance levels. and a NC probability calculator,
Z-Crits for Common Significance Levels
https://docs.google.com/document/d/1bkcDAOsof2cceLd0qhlhiyJ4C09VkQwSuGUcOTQLLpl/edit?usp=sharing
Normal Curve Probability Calculator
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 obr? (round to the nearest hundredth)
Transcribed Image Text:For this problem you will need: pencil, paper, calculator, z-crit significance levels. and a NC probability calculator, Z-Crits for Common Significance Levels https://docs.google.com/document/d/1bkcDAOsof2cceLd0qhlhiyJ4C09VkQwSuGUcOTQLLpl/edit?usp=sharing Normal Curve Probability Calculator 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 obr? (round to the nearest hundredth)
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