**Please show how to do by hand. 7) Using Laptops on Flights. An airline promotion to business travelers is based on the assumption that 2/3 of business travelers use a laptop computer on overnight business trips.State the hypotheses that can be used to test the assumption.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.What is the p-value?Use a = 0.05. What is your conclusion?

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Asked Sep 30, 2019
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**Please show how to do by hand.

 

7) Using Laptops on Flights. An airline promotion to business travelers is based on the assumption that 2/3 of business travelers use a laptop computer on overnight business trips.

  1. State the hypotheses that can be used to test the assumption.
  2. 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. What is the p-value?
  4. Use a = 0.05. What is your conclusion?
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Expert Answer

Step 1

It is given that the population proportion; P is 2/3 (=0.67). In the survey, it is found that 355 of 546 business travellers use a laptop computer on overnight business trips. Let p be the sample proportion

1.

The null and alternative hypotheses are given below.

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H p 0.67 H p 0.67

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Step 2

2.

The sample proportion, p is calculated below.

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355 546 0.65

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Step 3

The test statistic is given and...

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(Р-р) p(1-р) (0.67-0.65) f0.65 (1-0.65 546 0.02 0.0204 0.98

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Hypothesis Testing

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