Posted by **B** on Thursday, February 2, 2012 at 2:04pm.

1. What if the size for each sample were increased to 20? Would a sample mean of 115 or more be considered unusual? Why or why not?

2. Why is the Central Limit Theorem used?

3. Consider situations in your work or home that could be addressed through a continuous probability distribution. Describe the situation and the variables and determine whether the variables are normally distributed or not. How could you change these to a normally distributed dataset?

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