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)

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Counting And Probability
Section: Chapter Questions
Problem 14T: An unbalanced coin is weighted so that the probability of heads is 0.55. The coin is tossed ten...
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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 Zobt? (round to the nearest hundredth)
Transcribed Image Text: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 Zobt? (round to the nearest hundredth)
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