Question: 1. You are going to use the methods discussed in this chapter to estimate the proportion of all cars in your area that are red.

1. You are going to use the methods discussed in this chapter to estimate the proportion of all cars in your area that are red. Stand on a busy street and count cars as they pass by. Count 100 cars and keep track of how many are red.

a. Using your data, compute a 95% confidence interval for the proportion of cars in your area that are red.

b. Based on how you conducted the survey, are any biases likely to influence your results? Explain.

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