Question
A line for tickets to a local concert had an average waiting time of 20 min. and a = 4 min. a. What percentage of
A line for tickets to a local concert had an average waiting time of 20 min. and a = 4 min.
a. What percentage of the people in line waited for more than 28 minutes?
b. What is the Z-Score for people who waited 16 minutes?
c. What is the Z -score for people who waited 15 minutes?
d. What is the probability that a person waited at least 15 minutes?
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Prealgebra
Authors: Elayn Martin Gay
7th edition
321955048, 978-0321955043
