# A simple random sample of 35 cars and trucks in Vermont have a mean price of \$18,702 with a standard deviation of \$10,653. What would be the constructed 95% confidence interval for the mean price for all cars and trucks in Vermont?

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A simple random sample of 35 cars and trucks in Vermont have a mean price of \$18,702 with a standard deviation of \$10,653.

What would be the constructed 95% confidence interval for the mean price for all cars and trucks in Vermont?

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Step 1

In this question, we have given information

35 cars and trucks in Vermont have mean \$18702 and standard deviation \$10653.

Using this information we have to find the 95% confidence interval for man price of all cars and trucks in Vermont.

Step 2

Note::  Since the sample size is greater than 30, so we have used Z distribution to get the confidence interval.

We use t distribution, only when the sample size is less than 30 and population standard devitaion is unknown.

Here ...

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