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In a sample of 600 potential car buyers, 376 indicated that they would consider purchasing a...

In a sample of 600 potential car buyers, 376 indicated that they would consider purchasing a hybrid gas/electric-powered car. Find and interpret the 95% confidence interval (z*=1.96) for the true population proportion of potential car buys that would consider purchasing a hybrid vehicle. Round your answer to 3 decimal places.

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Answer #1

From the given information,

By using calculator,

The required 95% confidence interval is given by,

Confidence Interval=(0.588,0.665)

And can be interpreted as,

We are 95% confident that true population proportion of potential car buys that would consider purchasing a hybrid vehicle is between (0.588,0.665).

Thank you.

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