Joseph-Armand Bombardier in the 1930s founded the company that is now known as Seadoo in Canada. His initial invention of the snowmobile in 1937 led the way to what is now a 7,600-employee, worldwide company specializing in both snow and water sports vehicles. The company stresses high quality in both manufacturing and dealer service. Suppose that the company standard for customer satisfaction is 95% “highly satisfied.” Company managers recently completed a customer survey of 700 customers from around the world. The responses to the question “What is your overall level of satisfaction with Seadoo?” are provided in the file called Seadoo.
a. State the appropriate null and alternative hypotheses to be tested.
b. Using an alpha level of 0.05, conduct the hypothesis test and discuss the conclusions.