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  • Apr 8, 2012, 05:43 PM
    cjjones4181
    in statistics
    Assume that adults have IQ that are normally distributed w/ mean of u=100 and standard deviations =20 Find the probability a randomly selected adult has an IQ of less then 120
  • Apr 9, 2012, 06:47 AM
    ebaines
    Hint: do you know how to fnd the cumulative probability distribution for a z-score of 1?

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