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(CORRECT ANSWER) MATH225N Week 6 Quiz : The lengths of text messages are normally distributed with an unknown population mean.

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QUESTION 17

The lengths of text messages are normally distributed with an unknown population mean. A random sample of text messages is taken and results in a 95%  confidence interval of (23,47) characters.

What is the correct interpretation of the 95%  confidence interval?

Select the correct answer below:

We estimate that 95% of text messages have lengths between 23 and 47 characters.

We estimate with 95% confidence that the true population mean is between 23 and 47 characters.

We estimate with 95% confidence that the sample mean is between 23 and 47 characters.

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