(3) The time it takes a new student to complete advising and registration time follows normal distribution with mean - 45 min and standard deviation 20 min. A random sample of 36 students come to register. Find the probability that the mean registration time is less than 50 min

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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(3) The time it takes a new student to cotmplete advising and registration time follows
normal distribution with mean 45 min and standard deviation = 20 min.
A random sample of 36 students come to register.
Find the probability that the mean registration time is less than 50 min
Transcribed Image Text:(3) The time it takes a new student to cotmplete advising and registration time follows normal distribution with mean 45 min and standard deviation = 20 min. A random sample of 36 students come to register. Find the probability that the mean registration time is less than 50 min
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