An airline promotion to business travellers is based on the assumption that two-thirds of business…

 
   

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An airline promotion to business travelers is based on the assumption that no more than two-thirds of business travelers use a laptop computer on overnight business trips.

a. State the hypotheses that can be used to test whether more than two-thirds of business travellers use a laptop computer on overnight business trips.
H0: p
Ha: p

b. What is the sample proportion from an American Express-sponsored survey that found 363 of 543 business travelers use a laptop computer on overnight business trips (to 4 decimals)?

c. What is the p-value (to 4 decimals)?

d. Using %u03B1 = .05, can you conclude that the proportion of business travelers who use a laptop computer on overnight business trips is greater than two-thirds?