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# 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. 0.102 c. 0.883 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. 0.8 b. -0.8 c. 0.58 d. -0.58  #### Earn Coins

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