At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people. If a person is selected at random, find the probability that the person is either a lifeguard or a manager. 1b .

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
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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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1. At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people. If a person is selected at random, find the probability that the person is either a lifeguard or a manager. 1b . At a convention there are 7 math instructors, 5 computer science instructors, 3 statistics instructors and 4 science instructors. If an instructor is selected at random, find the probability of selecting a math or science instructor.
1. At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand
clerks, and 2 maintenance people. If a person is selected at random, find the probability that
the person is either a lifeguard or a manager.
lb. At a convention there are 7 math instructors, 5 computer science instructors, 3 statistics
instructors and 4 science instructors.
an instructor is selected at random, find the probability
of selecting a math or science instructor.
Transcribed Image Text:1. At a community swimming pool there are 2 managers, 8 lifeguards, 3 concession stand clerks, and 2 maintenance people. If a person is selected at random, find the probability that the person is either a lifeguard or a manager. lb. At a convention there are 7 math instructors, 5 computer science instructors, 3 statistics instructors and 4 science instructors. an instructor is selected at random, find the probability of selecting a math or science instructor.
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