A student takes on average, 40 minutes, to commute from home to school and vice-versa (assume equal time for each trip) during normal days. The standard deviation is 4.1 minutes. Assuming normal distribution, what is the probability of the student consuming at least 23 minutes to travel from home to school? O 0.99 O none of these O 0.23 O 0.77

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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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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A student takes on average, 40 minutes, to
commute from home to school and vice-versa
(assume equal time for each trip) during
normal days. The standard deviation is 4.1
minutes. Assuming normal distribution, what is
the probability of the student consuming at
least 23 minutes to travel from home to
school?
O 0.99
none of these
O 0.23
O 0.77
Transcribed Image Text:A student takes on average, 40 minutes, to commute from home to school and vice-versa (assume equal time for each trip) during normal days. The standard deviation is 4.1 minutes. Assuming normal distribution, what is the probability of the student consuming at least 23 minutes to travel from home to school? O 0.99 none of these O 0.23 O 0.77
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