1. Jun 15, 2008 #1

   Paulo2014

   

   Hello
   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.

    

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     probability.doc

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   Paulo2014, Jun 15, 2008
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3. Jun 16, 2008 #2

   Paulo2014

   

   anyone?

    

   Paulo2014, Jun 16, 2008
4. Jun 16, 2008 #3

   arunbg

   

   It is quite a lengthy document. Perhaps you can show some of your thoughts, and post your doubts in a more concise manner?

    

   arunbg, Jun 16, 2008
5. Jun 16, 2008 #4

   dynamicsolo

   

   Homework Helper

   Those three problems are related to the statistical use of the normal distribution. Have you had that material already?

    

   dynamicsolo, Jun 16, 2008
6. Jun 16, 2008 #5

   Paulo2014

   

   Yes I have read the material. The answer I just got for question 13 was 429 grams. Is that correct?

    

   Paulo2014, Jun 16, 2008
7. Jun 16, 2008 #6

   konthelion

   

   Where's your work? All I see are answers.

    

   konthelion, Jun 16, 2008

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