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Large population of college educated adults the mean

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Reference no: EM131341349

In a large population of college educated adults the mean IQ is 118 with a standard deviation of 20 suppose 200 adults from this population are randomly selected for a market research campaign the probability that the sample mean IQ is greater than 120 is?

  • 0.00001
  • 0.0790
  • 0.1230
  • 0.9210

Reference no: EM131341349

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