The time spent by a teacher at work in the holidays is normally distributed with a mean of 20 hours and a standard deviation of 5 hours. What amount of time does the bottom 22% of teachers work? O 15.8 hours O 16.15 hours O None of these O 17.8 hours
The time spent by a teacher at work in the holidays is normally distributed with a mean of 20 hours and a standard deviation of 5 hours. What amount of time does the bottom 22% of teachers work? O 15.8 hours O 16.15 hours O None of these O 17.8 hours
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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Transcribed Image Text:The time spent by a teacher at work in the holidays is normally distributed with a mean of
20 hours and a standard deviation of 5 hours. What amount of time does the bottom 22%
of teachers work?
O 15.8 hours
O 16.15 hours
O None of these
O 17.8 hours
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