Mathematics, 15.04.2020 23:44, Galaxy6267
An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars over Domestic. Step 2 of 2: Suppose a sample of 675 new car buyers is drawn. Of those sampled, 270 preferred foreign over domestic cars. Using the data construct the 90%, confidence interval for the population proportion of new car buyers who prefer foreign cars over domestic cars. Round your answers to three decimal places
Answers: 3
, and a confidence level of 
, we have the following confidence interval of proportions.
.
, z is the value of Z that has a pvalue of 
, so 
.
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An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars ov...
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