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An automotive manufacturer wants to know the proportion of new car buyers who prefer foreign cars...

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Question

Basic Math

An automotive manufacturer wants to know the proportion of newcar buyers who prefer foreign cars over domestic.

Step 1 of 2:

Suppose a sample of 1046 new car buyers is drawn. Of thosesampled, 355 preferred foreign over domestic cars. Using the data,estimate the proportion of new car buyers who prefer foreign cars.Enter your answer as a fraction or a decimal number rounded tothree decimal places.

Step 2 of 2:

Suppose a sample of 1046 new car buyers is drawn. Of thosesampled, 355 preferred foreign over domestic cars. Using the data,construct the 85% confidence interval for the population proportionof new car buyers who prefer foreign cars over domestic cars. Roundyour answers to three decimal places.

Answer & Explanation Solved by verified expert
3.8 Ratings (486 Votes)
Solution Given thatn 1046x 3551 Point estimate sample proportion x n 355    See Answer
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