20) The manager of a bank recorded the amount of time each customer spent waiting in lineduring peak business hours one Monday. The frequency table below summarizes theresults.Waiting Time|Number of(minutes) Customers0-3154-7138-111212-15416-19820-2324-271If we randomly select one of the customers represented in the table, what is the probabilitythat the waiting time is at least 12 minutes or between 8 and 15 minutes?

Here given frequency distribution table

Answered: If we randomly select one of the…

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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If we randomly select one of the customers represented in the table, what is the probability that the waiting time is at least 12 minutes or between 8 and 15 minutes?