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Statistics Problem

  1. Sep 27, 2009 #1
    Biting an unpopped kernel of popcorn hurts! As an experiment, a self-confessed connoisseur of cheap popcorn carefully counted 773 kernels and put them in a popper. After popping, the unpopped kernels were counted. There were 86.

    How do I do this?

    (a) Construct a 90 percent confidence interval for the proportion
    of all kernels that would not pop. (b) Check the normality assumption. (c) Try the Very Quick
    Rule. Does it work well here? Why, or why not? (d) Why might this sample not be typical?
     
  2. jcsd
  3. Sep 27, 2009 #2

    EnumaElish

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    What is the Very Quick Rule?

    Is this homework?
     
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