Find the 95% confidence interval for the variance and the std. deviation for the lifetime of batteri
Question: Find the 95% confidence interval for the variance and the std. deviation for the lifetime of batteries if a sample of 20 batteries has a std. deviation of 1.7 months. Assume the variable is normally distributed.
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Answer: The solution consists of 1 page
Type of Deliverable: Word Document![](/images/msword.png)
Type of Deliverable: Word Document
![](/images/msword.png)