Problem Statement
Test scores are normal with mean 70 and SD 10. What is P(score > 85)?
Explanation
z = (85−70)/10 = 1.5. From standard normal, P(Z>1.5) ≈ 0.0668.
Code Solution
SolutionRead Only
z = 1.5 ⇒ P(Z>1.5)≈0.0668
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