It has been found that the waiting time to obtain a table in a cafe during rush hour has a normal distribution with a mean of 130.7 min. and a standard deviation of 12.5 min. How long do people have to wait to be given a table with the following probability? a) P (X ≥ Xo) = 0.83. b) P (X ≥ Xo) = 0.12 c) P (X ≤ Xo) = 0.92 d) P (X ≤ Xo) = 0.07
It has been found that the waiting time to obtain a table in a cafe during rush hour has a normal distribution with a mean of 130.7 min. and a standard deviation of 12.5 min. How long do people have to wait to be given a table with the following probability? a) P (X ≥ Xo) = 0.83. b) P (X ≥ Xo) = 0.12 c) P (X ≤ Xo) = 0.92 d) P (X ≤ Xo) = 0.07
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.- It has been found that the waiting time to obtain a table in a cafe during rush hour has a
a) P (X ≥ Xo) = 0.83.
b) P (X ≥ Xo) = 0.12
c) P (X ≤ Xo) = 0.92
d) P (X ≤ Xo) = 0.07
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