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 comfortableModel AModel BModel Cby:5946279A.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.
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