It Is Known That the Length of a Certain Product

question 124

Multiple Choice

It is known that the length of a certain product X is normally distributed with μ = 20 inches and σ = 4 inches. How is the probability P(X > 28) related to P(X < 16) ?

• A) P(X > 28) is greater than (X < 16).
• B) P(X > 28) is smaller than (X < 16).
• C) P(X > 28) is the same as P(X < 16).
• D) No comparison can be made with the given information.

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