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4. Revenue of Large Businesses. A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24 billion. A sample of 50 companies is selected, and the revenues (in billions of dollars) are shown. At a = 0.05, is there enough evidence to support the researcher's claim? Assume o= 28.7. 178 27 122 29 91 16 44 16 35 19 61 15 56 41 46 38 20 36 32 15 30 25 28 31 28 30 20 19 19 19 24 25 18 16 22 15 15 19 25 14 15 24 23 17 17 22 21 20 17 20 Source: New York Times Almanac.

4. Revenue of Large Businesses. A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24 billion. A sample of 50 companies is selected, and the revenues (in billions of dollars) are shown. At a = 0.05, is there enough evidence to support the researcher's claim? Assume o= 28.7. 178 27 122 29 91 16 44 16 35 19 61 15 56 41 46 38 20 36 32 15 30 25 28 31 28 30 20 19 19 19 24 25 18 16 22 15 15 19 25 14 15 24 23 17 17 22 21 20 17 20 Source: New York Times Almanac.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter7: Percents
Section: Chapter Questions
Problem 4CST
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Please answer number 4, a-e. Thanks

4. Revenue of Large Businesses. A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24 billion. A sample of 50 companies is selected, and the revenues (in billions of dollars) are shown. At a = 0.05, is there enough evidence to support the researcher's claim? Assume o= 28.7. 122 91 16 35 19 61 56 46 38 20 32 30 25 28 178 27 28 30 20 19 44 29 16 15 41 36 15 31 19 19 24 16 15 15 19 25 25 18 14 15 24 23 17 17 22 22 21 20 17 20 Source: New York Times Almanac.
Transcribed Image Text:4. Revenue of Large Businesses. A researcher estimates that the average revenue of the largest businesses in the United States is greater than $24 billion. A sample of 50 companies is selected, and the revenues (in billions of dollars) are shown. At a = 0.05, is there enough evidence to support the researcher's claim? Assume o= 28.7. 122 91 16 35 19 61 56 46 38 20 32 30 25 28 178 27 28 30 20 19 44 29 16 15 41 36 15 31 19 19 24 16 15 15 19 25 25 18 14 15 24 23 17 17 22 22 21 20 17 20 Source: New York Times Almanac.
For Exercises 3 through 5, perform each of the following steps. a. State the hypotheses and identify the claim. b. Find the critical value(s). c. Compute the test value. d. Make the decision. e. Summarize the results. Use diagrams to show the critical region (or regions), and use the traditional method of hypothesis testing unless otherwise specified.
Transcribed Image Text:For Exercises 3 through 5, perform each of the following steps. a. State the hypotheses and identify the claim. b. Find the critical value(s). c. Compute the test value. d. Make the decision. e. Summarize the results. Use diagrams to show the critical region (or regions), and use the traditional method of hypothesis testing unless otherwise specified.
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