If X Has a Normal Distribution with µ = 100

question 106

Multiple Choice

If X has a normal distribution with µ = 100 and σ = 5, then the probability P(90 ≤ X ≤ 95) can be expressed in terms of a standard normal variable Z as ________.

• A) P(2 ≤ Z ≤ 1)
• B) P(-2 ≤ Z ≤ 1)
• C) P(-2 ≤ Z ≤ -1)
• D) P(-2 ≤ Z ≤ -2)

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