ANSWERS: 1
  • 32.651L is 12.349L below the mean 12.349L/5.3L is 2.33 standard deviations below the mean 57.349L is 12.349L above the mean also 2.33 standard deviations above the mean, What is the area under the standard normal graph between -2.33 and +2.33? Answer 99% - 1% = 98% So FALSE: Only 98% of cars lie in that range. To get 99% you would have to haveonly 0.5% missing at each side. The corresponding number of standard deviations is 2.5758

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