z is a standard normal random variable. The P (-1.20  z  1.50) equals     a. 0.8181   b. 0.4332   c. 0.0483   d. 0.3849

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  1. z is a standard normal random variable. The P (-1.20  z  1.50) equals
     
      a.
    0.8181
      b.
    0.4332
      c.
    0.0483
      d.
    0.3849
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