The length of time patients have to wait in Dr. Booth’s waiting room us known to be normally distributed with mean 14 minutes and standard deviation 4 minutes. Find the probability that a patient will...

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   The length of time patients have to wait in Dr. Booth’s waiting room us known to be normally distributed with mean 14 minutes and standard deviation 4 minutes. Find the probability that a patient will have to wait more than 20 minutes to see the doctor. What proportion of the patients wait less than 10 minutes?

Mathematics in Modern World Subject