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Homework Help: Statistical use of the normal distribution problems

  1. Jun 15, 2008 #1
    This attachment is a practice paper I am doing. I know how to do everything except for questions 11, 12 and 13 so I would appreciate it if someone could please show me the process for working them out. thanks in advance.

    Attached Files:

  2. jcsd
  3. Jun 16, 2008 #2
  4. Jun 16, 2008 #3
    It is quite a lengthy document. Perhaps you can show some of your thoughts, and post your doubts in a more concise manner?
  5. Jun 16, 2008 #4


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    Homework Helper

    Those three problems are related to the statistical use of the normal distribution. Have you had that material already?
  6. Jun 16, 2008 #5
    Yes I have read the material. The answer I just got for question 13 was 429 grams. Is that correct?
  7. Jun 16, 2008 #6
    Where's your work? All I see are answers.
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