SOLUTION: The random variable X denotes the time taken for a computer link to be made between the terminal in an executive's office and the computer at a remote factory site. It is known tha

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Question 804701: The random variable X denotes the time taken for a computer link to be made between the terminal in an executive's office and the computer at a remote factory site. It is known that X has a Normal distribution with mean 15 seconds and standard deviation 3 seconds. P (X > 20) has value (choose the closest option)
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