Question

The variable Z has a standard normal distribution. The probability P(-1.27 < Z < 2.19) is:...

  1. The variable Z has a standard normal distribution. The probability P(-1.27 < Z < 2.19) is:

    a.

    0.9852

    b.

    0.1020

    c.

    0.8830

    d.

    0.8832

QUESTION 6

  1. The probability P(-1.45<= Z <= 0) is:

    a.

    0.9929

    b.

    0.0735

    c.

    0.4265

    d.

    0.5071

3

  1. If P(Z > z) = 0.7881, then the z-score is:

    a.

    0.80

    b.

    -0.80

    c.

    0.58

    d.

    -0.58

0 0
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