Distribution of the scores in data set

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Suppose mean = 70 mph and sd = 10 mph,  what can we say about the distribution of the scores in that data set?

  •  (1) At most 25% data lie outside the interval (50mph,90mph)
  • (2) If data is assumed symmetric, about 95% of scores lie in the interval (50mph,90mph)

Reference no: EM132844633

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