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Math Help - Working with hypothesis', help please?

  1. #1
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    Unhappy Working with hypothesis', help please?

    Could someone please tell me some or any of the formulas for working with alternative and null hypothesis? Or how to go about finding the answer. I missed a day and I don't understand my professor very well.

    Here is some stuff I need to know.


    • How to construct a confidence interval for \mu
    • Find the width of the confidence interval
    • Determine the margin of error
    • Specify the critical region
    • Find the P-value
    • How to find \muo if you know that


    1. Ho: \mu =170 cm
    2. Ha: \mu \neq 170 cm
    3. \alpha = .05
    4. \sigma = 12
    5. \bar{x} = 174.1
    6. n = 30

    Sorry if this is asking too much, it is really stressing and I'm not sure what else to do. Anything would be appreciated, even a website would help. Thanks
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  2. #2
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    Quote Originally Posted by rba_mandy View Post
    Could someone please tell me some or any of the formulas for working with alternative and null hypothesis? Or how to go about finding the answer. I missed a day and I don't understand my professor very well.

    Here is some stuff I need to know.


    • How to construct a confidence interval for \mu
    • Find the width of the confidence interval
    • Determine the margin of error
    • Specify the critical region
    • Find the P-value
    • How to find \muo if you know that
    1. Ho: \mu =170 cm
    2. Ha: \mu \neq 170 cm
    3. \alpha = .05
    4. \sigma = 12
    5. \bar{x} = 174.1
    6. n = 30
    Sorry if this is asking too much, it is really stressing and I'm not sure what else to do. Anything would be appreciated, even a website would help. Thanks
    Can you get a copy of the notes from someone who wasn't away? Do you have a textbook (or access to a textbook - via a library perhaps) that you can refer to? Have you tried doing a Google search of these terms?
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  3. #3
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    Mar 2009
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    OK I got some help at the tutoring center and am a little less confused. I'll keep it more specific now. Thanks
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