SOLUTION: This is two questions I am having an issue with. The only two I cannot figure out. I really would appreciate it if there was a way you could scan the page back and upload it comple

Question 366576: This is two questions I am having an issue with. The only two I cannot figure out. I really would appreciate it if there was a way you could scan the page back and upload it completed and how you did it? Thank you
Here is the uploaded page with 2 questions:
http://img525.imageshack.us/img525/2033/ccf1105201000000.jpg
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
Hmm. Get back to you soon. Got a class to teach.
Back now.
14.
a.) . This corresponds to the open interval (0.39404, 0.45962).
b.) No, it is not reasonable to conclude from the sample that the president is doing a good job. In fact we could say that the true proportion may be less than 50%. (As opposed to the null hypothesis that the true proportion is equal to or greater than 50%.)
15.
a.) $63/hr.
b.) Using the t-distribution with 22 degrees of freedom, the C.I. is . This corresponds to the open interval (59.81, 66.19).
c.)We use the standard normal table again. We want . This should give , or . We can put n = 101.
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