Given that Z is a standard normal variable, the value z for which P(Z $\leq$ z) = 0.6736 is:
A) 0.1736 .
B) } & 0.45 .
C) - 0.1736 .
D) - 0.45 .

Question

Given that Z is a standard normal variable, the value z for which P(Z $\leq$ z) = 0.6736 is: 
A)  0.1736 . 
B) } & 0.45 . 
C)  - 0.1736 . 
D) - 0.45 .

Quizplus · Accepted Answer

Using the standard normal distribution table, we can look for the closest probability value to 0.6736, which is 0.6732. The corresponding z-value for P(Z ≤ z) = 0.6732 is approximately 0.45. Therefore, choice B is the correct answer.

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