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?