Question

5) Find the area under the standard normal curve between z = -1.50 and z = 2.50. a) 0.7182 b) 0.6312 c) 0.9831 d) 0.9270 6) Find the area under the standard normal curve to the right of z = -1.25 a) 0.6978 b) 0.8944 c) 0.7193 d) 0.5843 7) For a standard normal curve, find the z-score that separates the bottom 90% from the top 10% a) 2.81 b) 1.52 c) 0.28 d) 1.28 8) Find the z-scores for which 90% of the distribution's area lies between -z and z a) (-0.99, 0.99) b) (-1.645, 1.645) c) (-2.33, 2.33) d) (-1.96, 1.96) 9) Find the z-score that is less than the mean and for which 70% of the distribution's area lies to its right. a) -0.52 b) -0.47 c) -0.81 d) -0.98

          5) Find the area under the standard normal curve between z = -1.50 and z = 2.50.
    a) 0.7182   b) 0.6312   c) 0.9831   d) 0.9270
    6) Find the area under the standard normal curve to the right of z = -1.25
    a) 0.6978   b) 0.8944   c) 0.7193   d) 0.5843
    7) For a standard normal curve, find the z-score that separates the bottom 90% from the top 10%
    a) 2.81   b) 1.52   c) 0.28   d) 1.28
    8) Find the z-scores for which 90% of the distribution's area lies between -z and z
    a) (-0.99, 0.99)   b) (-1.645, 1.645)   c) (-2.33, 2.33)   d) (-1.96, 1.96)
    9) Find the z-score that is less than the mean and for which 70% of the distribution's area lies to its right.
    a) -0.52   b) -0.47   c) -0.81   d) -0.98

Added by Jacob B.

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