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A light bulb manufacturer wants to know if it can claim that, on average, its bulbs last more than 1000 hours. The manufacturer states his research hypothesis as: H: The mean lifetime of the bulbs is greater than 1000 hours. Which of the choices below reflect the correct null hypothesis, and whether the test is one-tailed or two tailed? Select one: a. H.: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is one-tailed. b. H,: The mean lifetime of the bulbs is less than 1000 hours. Test is one-tailed. c. H,: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is two-tailed. d. H: The mean lifetime of the bulbs is less than 1000 hours. Test is two-tailed. A canned goods producer wants to test their quality control process for canned pinto beans. Their production standard is that there should be 1.5 cups of beans (fluids removed) in a standard #303 can. If the cans have either more beans or fewer beans, the cans are outside the production standard of the company. The quality control analyst constructs the following null hypothesis: H: The cans contain on average 1.5 cups of beans. What is the correct H, and does this call for a one-tailed or a two-tailed test? Select one: a. H.: The cans do not contain 1.5 cups of beans. The test is two-tailed. b. H: The cans do not contain 1.5 cups of beans. The test is one-tailed. c. H.: The cans contain more than 1.5 cups of beans. The test is two-tailed. d. H: The cans contain more than 1.5 cups of beans. The test is one-tailed. The two main methods of statistical inference are Confidence Intervals and Hypothesis Testing. Select one: O True O False

A light bulb manufacturer wants to know if it can claim that, on average, its bulbs last more than 1000 hours. The manufacturer states his research hypothesis as: H: The mean lifetime of the bulbs is greater than 1000 hours. Which of the choices below reflect the correct null hypothesis, and whether the test is one-tailed or two tailed? Select one: a. H.: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is one-tailed. b. H,: The mean lifetime of the bulbs is less than 1000 hours. Test is one-tailed. c. H,: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is two-tailed. d. H: The mean lifetime of the bulbs is less than 1000 hours. Test is two-tailed. A canned goods producer wants to test their quality control process for canned pinto beans. Their production standard is that there should be 1.5 cups of beans (fluids removed) in a standard #303 can. If the cans have either more beans or fewer beans, the cans are outside the production standard of the company. The quality control analyst constructs the following null hypothesis: H: The cans contain on average 1.5 cups of beans. What is the correct H, and does this call for a one-tailed or a two-tailed test? Select one: a. H.: The cans do not contain 1.5 cups of beans. The test is two-tailed. b. H: The cans do not contain 1.5 cups of beans. The test is one-tailed. c. H.: The cans contain more than 1.5 cups of beans. The test is two-tailed. d. H: The cans contain more than 1.5 cups of beans. The test is one-tailed. The two main methods of statistical inference are Confidence Intervals and Hypothesis Testing. Select one: O True O False

MATLAB: An Introduction with Applications
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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A light bulb manufacturer wants to know if it can claim that, on average, its bulbs last more than 1000 hours. The manufacturer states his research hypothesis as: H: The mean lifetime of the bulbs is greater than 1000 hours. Which of the choices below reflect the correct null hypothesis, and whether the test is one-tailed or two tailed? Select one: a. H.: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is one-tailed. b. H,: The mean lifetime of the bulbs is less than 1000 hours. Test is one-tailed. c. H,: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is two-tailed. d. H: The mean lifetime of the bulbs is less than 1000 hours. Test is two-tailed. A canned goods producer wants to test their quality control process for canned pinto beans. Their production standard is that there should be 1.5 cups of beans (fluids removed) in a standard #303 can. If the cans have either more beans or fewer beans, the cans are outside the production standard of the company. The quality control analyst constructs the following null hypothesis: H: The cans contain on average 1.5 cups of beans. What is the correct H, and does this call for a one-tailed or a two-tailed test? Select one: a. H.: The cans do not contain 1.5 cups of beans. The test is two-tailed. b. H: The cans do not contain 1.5 cups of beans. The test is one-tailed. c. H.: The cans contain more than 1.5 cups of beans. The test is two-tailed. d. H: The cans contain more than 1.5 cups of beans. The test is one-tailed. The two main methods of statistical inference are Confidence Intervals and Hypothesis Testing. Select one: O True O False
Transcribed Image Text:A light bulb manufacturer wants to know if it can claim that, on average, its bulbs last more than 1000 hours. The manufacturer states his research hypothesis as: H: The mean lifetime of the bulbs is greater than 1000 hours. Which of the choices below reflect the correct null hypothesis, and whether the test is one-tailed or two tailed? Select one: a. H.: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is one-tailed. b. H,: The mean lifetime of the bulbs is less than 1000 hours. Test is one-tailed. c. H,: The mean lifetime of the bulbs is equal to or less than 1000 hours. Test is two-tailed. d. H: The mean lifetime of the bulbs is less than 1000 hours. Test is two-tailed. A canned goods producer wants to test their quality control process for canned pinto beans. Their production standard is that there should be 1.5 cups of beans (fluids removed) in a standard #303 can. If the cans have either more beans or fewer beans, the cans are outside the production standard of the company. The quality control analyst constructs the following null hypothesis: H: The cans contain on average 1.5 cups of beans. What is the correct H, and does this call for a one-tailed or a two-tailed test? Select one: a. H.: The cans do not contain 1.5 cups of beans. The test is two-tailed. b. H: The cans do not contain 1.5 cups of beans. The test is one-tailed. c. H.: The cans contain more than 1.5 cups of beans. The test is two-tailed. d. H: The cans contain more than 1.5 cups of beans. The test is one-tailed. The two main methods of statistical inference are Confidence Intervals and Hypothesis Testing. Select one: O True O False
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