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2. A drug company produced a new pain-relieving drug for migraine suffers and advertisements stated that the drug had a 90% success rate. A Doctor doubted whether the drug would be a successful as the company claimed. 3. A light bulb manufacturer has developed a new light bulb that is claimed to have an average life more than 1,000 hours. 4. A pizza delivery company claims that its average time is less than 30 minutes.

2. A drug company produced a new pain-relieving drug for migraine suffers and advertisements stated that the drug had a 90% success rate. A Doctor doubted whether the drug would be a successful as the company claimed. 3. A light bulb manufacturer has developed a new light bulb that is claimed to have an average life more than 1,000 hours. 4. A pizza delivery company claims that its average time is less than 30 minutes.

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 1CA
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• DIRECTION: State the null hypothesis and alternative hypothesis that should be used to test each of the following claims and determine the tail(s) of the test. 1. A lecturer claims that his student scored an average of 80 marks in their statistics test. The subject coordinator wants to know whether the lecturer claim is acceptable. 2. A drug company produced a new pain-relieving drug for migraine suffers and advertisements stated that the drug had a 90% success rate. A Doctor doubted whether the drug would be a successful as the company claimed. 3. A light bulb manufacturer has developed a new light bulb that is claimed to have an average life more than 1,000 hours. 4. A pizza delivery company claims that its average time is less than 30 minutes. 5. A courier express delivery service company claims it takes an average of 24 hours to send a package from Manila to any city in Visayas or Mindanao. An independent customer agency is doing a study to test the truth of his claim.
Transcribed Image Text:• DIRECTION: State the null hypothesis and alternative hypothesis that should be used to test each of the following claims and determine the tail(s) of the test. 1. A lecturer claims that his student scored an average of 80 marks in their statistics test. The subject coordinator wants to know whether the lecturer claim is acceptable. 2. A drug company produced a new pain-relieving drug for migraine suffers and advertisements stated that the drug had a 90% success rate. A Doctor doubted whether the drug would be a successful as the company claimed. 3. A light bulb manufacturer has developed a new light bulb that is claimed to have an average life more than 1,000 hours. 4. A pizza delivery company claims that its average time is less than 30 minutes. 5. A courier express delivery service company claims it takes an average of 24 hours to send a package from Manila to any city in Visayas or Mindanao. An independent customer agency is doing a study to test the truth of his claim.
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