Question

One hundred eight Americans were surveyed to determine. The number of hours they spend watching TV. Each month. It was revealed that they watched an average of 151 hours each month with a standard deviation of 32 hours. Assume that the underlying population destitution in normal. 

A Identify the following:

1. \(x^{-}=\)

2. \(\mathrm{sx}=\)

3. \(\mathrm{n}=\)

4. \(n-1=\)

5. Find a Critical value of 99% for the population mean time spent waiting. 

6. Which distribution should you use for this problem? 

7. Calculate the error bound. 

8. Sketch the graph. Lower endpoint: Upper endpoint: 

9. State the confidence interval, 

We estimate with----------- confidence that the true population mean for all statistics is between ------- And----------

Answer 1