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An airline promotion to business travelers is based on the assumption that two-thirds of business travelers use a laptop computer on overnight business trips. a. State the hypotheses that can be used to test the assumption. b. What is the sample proportion from an American Express sponsored survey that found 355 of 546 business travelers use a laptop computer on overnight business trips? c. What is the p -value? d. Use α = .05. What is your conclusion?

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STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

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BuyFindarrow_forward

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
Chapter 9, Problem 69SE
Textbook Problem
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An airline promotion to business travelers is based on the assumption that two-thirds of business travelers use a laptop computer on overnight business trips.

  1. a. State the hypotheses that can be used to test the assumption.
  2. b. What is the sample proportion from an American Express sponsored survey that found 355 of 546 business travelers use a laptop computer on overnight business trips?
  3. c. What is the p-value?
  4. d. Use α = .05. What is your conclusion?

a.

To determine

Identify the null and alternative hypotheses most appropriate for the given situation.

Explanation of Solution

Here, the claim is that the population proportion of two-thirds of business travelers uses a laptop computer on overnight business trips. This can be written as p=23(or 0.6667). The complement of the claim is, p0.6667. In the given experiment, the null hypothesis indicates the claim

b.

To determine

Find the sample proportion.

c.

To determine

Find the p-value.

d.

To determine

Find the conclusion.

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Chapter 9 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT
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