The probability P(Z

Name: The probability P(Z < −1.28) is closest to ________. A) −0.10 B) 0.10 C) 0.20 D) 0.90
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Question

The probability P(Z < −1.28) is closest to ________.
A) −0.10
B) 0.10
C) 0.20
D) 0.90

Quizplus · Accepted Answer

The probability P(Z < −1.28) refers to the area under the standard normal distribution curve to the left of Z = -1.28. Consulting standard normal (Z) tables or using statistical software, we find this area is approximately 0.10, indicating that the probability is closest to 0.10.

The Probability P(Z < −1