The U.S. national average door-to-doctor wait time for patients to see adoctor is now 21.3 minutes. Suppose such wait times are normallydistributed with a standard deviation of 6.7 minutes. Some patients willhave to wait much shorter than the mean to see the doctor. Based on thisinformation, 10% of patients will have to wait less than how manyminutes to see a doctor? Round your answer in one decimal place.O 12.7O 8.7O 15.3O Can't be determined

It is given that the mean is 21.3 and standard deviation is 6.7.

Answered: The U.S. national average…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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