A random variable X is normally distributed with ì = 60. Convert the value of X to a z-score, if the standard deviation is as given.

X = 60; ó = 7
A) 7
B) 1
C) 60/70
D) 0

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  2. 👎 0
  3. 👁 171
  1. Z = (score-mean)/SD

    Insert values and solve.

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