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A senior high student commutes daily from home to school. The average time for one way. trip is 20 minutes, with a standard deviation of 4 minutes. Assuming that the distribution of the trips is normally distributed, what is the probability of a trip that will take at least a quarter of an hour? A B 89.44% 99.38% 10.54% 95.99 %

A senior high student commutes daily from home to school. The average time for one way. trip is 20 minutes, with a standard deviation of 4 minutes. Assuming that the distribution of the trips is normally distributed, what is the probability of a trip that will take at least a quarter of an hour? A B 89.44% 99.38% 10.54% 95.99 %

A First Course in Probability (10th Edition)
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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A senior high student commutes daily from home to school. The average time for one way. trip is 20 minutes, with a standard deviation of 4 minutes. Assuming that the distribution of the trips is normally distributed, what is the probability of a trip that will take at least a quarter of an hour? A B D 89.44% 99.38% 10.54% 95.99 %
Transcribed Image Text:A senior high student commutes daily from home to school. The average time for one way. trip is 20 minutes, with a standard deviation of 4 minutes. Assuming that the distribution of the trips is normally distributed, what is the probability of a trip that will take at least a quarter of an hour? A B D 89.44% 99.38% 10.54% 95.99 %
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