Solution) A random variable X is normally distributed with µ = 25 and ? = 6. a. Compute Z1 = for X1 = 18 b.
Question: A random variable X is normally distributed with µ = 25 and σ = 6.
a. Compute Z1 = 
for X1 = 18
b. Compute Z2 = 
for X2 = 30
c. The area under the normal curve between X1 = 18 and X2 = 30 is 0.6760. What is the area between Z1 and Z2?
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Deliverable: Word Document
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