What is the probability that the mean of 12 randomly


Recent test scores on the Law School Admission Test (LSAT) are normally distributed with a mean of 162.4 and a standard deviation of 15.9. What is the probability that the mean of 12 randomly selected scores is less than 161?

  • 0.380
  • 0.535
  • 0.465
  • 0.620

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