Solution-Estimate for the proportion of people preferring

Estimate for the proportion of people preferring model

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Reference no: EM13245974

Suppose the research team feels that more than 75% of airline customers will choose seat B as the most comfortable. A sample of 600 people rate each of the three models for comfort. The following results were obtained.

Rated most comfortable Model A Model B Model C

by: 59 462 79

A. What is the point estimate for the proportion of people preferring model B?

B. Write suitable null and alternative hypotheses in words and symbols for this problem.

C. Construct the 95% confidence interval for the point estimate in A.

D. Based on your confidence interval, make a decision about rejecting or failing to reject your null hypothesis and make a conclusion in terms of the models. (Model B is or is not preferred by more than 75% of the airline customers). Explain how you used the confidence interval to make the decision.

Reference no: EM13245974

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Estimate for the proportion of people preferring model

Reference no: EM13245974

Reference no: EM13245974

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