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Distribution of crime stories in newspapers

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Reference no: EM131077772

(Hypothetical) A random sample of 1000 daily newspapers found that on average, each edition contained 3.01 local crime stories per day, with a standard deviation of 2.65. Answer the following questions assuming that the distribution of crime stories in newspapers is normal.

  • What is the Z score associated with a newspaper with 8 local crime stories?
  • What proportion of newspapers published five or fewer crime stories? How many does this correspond to in the sample?
  • What number of news stories corresponds to a Z score of +1?
  • What percentage of newspapers publish between 1 and 6 local crime stories per day?

Reference no: EM131077772

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